494 results match your criteria Discoid Meniscus


Management of Long-Term Complications in the Setting of Lateral Meniscal Deficiency After Saucerization of a Discoid Lateral Meniscus in an Adolescent Patient: A Case Report and Review of the Literature.

JBJS Case Connect 2018 Dec 12. Epub 2018 Dec 12.

Elite Sports Medicine, Division of Orthopedic Surgery, Connecticut Children's Medical Center, University of Connecticut School of Medicine, Farmington, Connecticut.

Case: A 14-year-old adolescent with bilateral discoid menisci who had previously undergone discoid meniscal saucerization presented with pain and mechanical knee symptoms bilaterally. She had a torn left discoid lateral meniscus, a right lateral meniscal deficiency with an associated osteochondral defect, and valgus collapse of the right femur. She underwent successful repair of the left discoid meniscus as well as a femoral osteotomy, a meniscal transplant, and an osteochondral allograft transplantation in the right knee. Read More

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http://dx.doi.org/10.2106/JBJS.CC.18.00054DOI Listing
December 2018

Torn discoid lateral meniscus is associated with increased medial meniscal extrusion and worse articular cartilage status in older patients.

Knee Surg Sports Traumatol Arthrosc 2018 Dec 3. Epub 2018 Dec 3.

Department of Orthopedic Surgery, West China Hospital, Sichuan University, No.37, Guoxue Alley, Chengdu, 610041, China.

Purpose: To compare the clinical, imaging, and arthroscopic characteristics of the torn discoid lateral meniscus (TDLM) in patients greater than 40 years of age with matched controls.

Methods: One hundred and ninety-four older patients (211 knees) who underwent arthroscopic surgery for a TDLM were consecutively recruited (Group 1). Another 211 age- and sex-matched controls with a torn semilunar lateral meniscus were included in this study (Group 2). Read More

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http://dx.doi.org/10.1007/s00167-018-5287-6DOI Listing
December 2018
2 Reads

Discoid meniscus in children and adolescents: Correlation between morphology and meniscal tears.

Rev Esp Cir Ortop Traumatol 2018 Nov 24. Epub 2018 Nov 24.

Departamento de Ortopedia y Traumatología Infantil, Sanatorio Allende, Córdoba, Argentina.

Background: Some authors have suggested that the diminished vascular blood supply, peripheral stability and thickness of the discoid meniscus (DM) would make it more prone to tears. The aims of this study are two-fold: 1) To analyse morphological characteristics by magnetic resonance (MRI), and 2) To correlate the size of the meniscus with the presence of meniscal tears.

Methods: The MRI of patients ≤18 years-old over a period of 5 years were reviewed, and patients with DM were identified. Read More

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http://dx.doi.org/10.1016/j.recot.2018.08.002DOI Listing
November 2018

Arthroscopic minimum saucerization and inferior-leaf meniscectomy for a horizontal tear of a complete discoid lateral meniscus: Report of two cases.

Int J Surg Case Rep 2018 22;53:372-376. Epub 2018 Nov 22.

Department of Orthopaedic Surgery, Hoshigaoka Medical Center, 4-8-1, Hoshigaoka, Hirakata, Osaka, 573-8511, Japan. Electronic address:

Introduction: Treatment of a horizontal tear of a complete discoid lateral meniscus (DLM) is still controversial. Preserving peripheral rim as a normal shape of the meniscus with single-leaf resection is a conventional treatment, however meniscal function could not be fully restored.

Presentation Of Case: A 28-year old woman and a 34-year old woman experienced knee pain and had restricted knee extension. Read More

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http://dx.doi.org/10.1016/j.ijscr.2018.11.027DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6260367PMC
November 2018
2 Reads

Incidence, Presentation, and Treatment of Pediatric and Adolescent Meniscal Root Injuries.

Orthop J Sports Med 2018 Nov 8;6(11):2325967118803888. Epub 2018 Nov 8.

Department of Orthopaedic Surgery, University of Texas Southwestern, Dallas, Texas, USA.

Background: Despite the increasing incidence of sports-related knee injuries in youth athletes, few studies have reported on the diagnosis and treatment of pediatric and adolescent meniscal root injuries.

Purpose: To describe traumatic posterior meniscal root injuries in a pediatric and adolescent population and compare the presentation of meniscal root injuries versus that of nonroot injuries.

Study Design: Cohort study; Level of evidence, 3. Read More

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http://dx.doi.org/10.1177/2325967118803888DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6240976PMC
November 2018
3 Reads

Midbody of the medial meniscus as a reference of preservation in partial meniscectomy for complete discoid lateral meniscus.

Knee Surg Sports Traumatol Arthrosc 2018 Nov 7. Epub 2018 Nov 7.

Department of Orthopedic Surgery, Center for Joint Diseases and Rheumatism, Kyung Hee University Hospital at Gangdong, 892 Dongnam-ro, Gangdong-gu, Seoul, 134-727, South Korea.

Purpose: To evaluate the postoperative size of discoid lateral meniscus using magnetic resonance imaging (MRI) after partial meniscectomy relative to the size of medial meniscus midbody.

Methods: This study included 48 patients who underwent arthroscopic partial meniscectomy with or without repair for symptomatic complete discoid meniscus. The intraoperative size of midbody of medial meniscus was used as a reference for partial meniscectomy. Read More

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http://link.springer.com/10.1007/s00167-018-5268-9
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http://dx.doi.org/10.1007/s00167-018-5268-9DOI Listing
November 2018
4 Reads

A rare variation of intrinsic and extrinsic hand muscles represented by a bi-ventered first lumbrical extending into the carpal tunnel combined with bilateral fifth superficial flexor digitorum tendon regression.

Morphologie 2018 Dec 25;102(339):294-301. Epub 2018 Sep 25.

Institute of Anatomy, Paracelsus Medical University, Nuremberg and Salzburg, General Hospital Nuremberg, Prof. Ernst Nathan street. 1, 90419 Nuremberg, Germany. Electronic address:

A rare unilateral variation of the first left lumbrical muscle was discovered in a female Caucasian cadaver dissected during a first year anatomy course at the Paracelsus Medical University - Nuremberg, Germany. The muscle possessed two venters with the first originating near the medial epicondyle of the humerus together with the intramuscular tendon of the superficial flexor digitorum tendon, and the second presenting as a regular first lumbrical muscle with radial palmar origin from first tendon of the deep flexor digitorum muscle. Both muscle bellies were connected by a 1. Read More

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https://linkinghub.elsevier.com/retrieve/pii/S12860115183018
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http://dx.doi.org/10.1016/j.morpho.2018.09.001DOI Listing
December 2018
2 Reads

Incidence and Treatment Trends of Symptomatic Discoid Lateral Menisci: An 18-Year Population-Based Study.

Orthop J Sports Med 2018 Sep 24;6(9):2325967118797886. Epub 2018 Sep 24.

Department of Orthopedic Surgery & Sports Medicine, Mayo Clinic, Rochester, Minnesota, USA.

Background: A symptomatic discoid lateral meniscus is an uncommon orthopaedic abnormality, and the majority of information in the literature is limited to small case series.

Purpose/hypothesis: The purpose of this study was to determine the incidence of symptomatic discoid menisci in a geographically determined population and to describe treatment trends over time. The hypothesis was that the incidence of symptomatic discoid menisci would be highest among adolescent patients, and thus, the rate of surgical treatment would be high compared with nonoperative treatment. Read More

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http://dx.doi.org/10.1177/2325967118797886DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6153536PMC
September 2018
1 Read

Discoid lateral meniscus in children and adolescents: a histological study.

J Exp Orthop 2018 Sep 24;5(1):39. Epub 2018 Sep 24.

Dipartimento di Scienze Cliniche e, Medicina Traslazionale, Universita degli Studi di Roma Tor Vergata, Via Montpellier 1, 00133, Rome, Italy.

Background: Discoid lateral meniscus is the most frequent variant of the meniscus. Although the histology of normal menisci in children and in adults has been well described, few studies have focused on the histology of discoid menisci. Furthermore, most of the patients in those studies were adults. Read More

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https://jeo-esska.springeropen.com/articles/10.1186/s40634-0
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http://dx.doi.org/10.1186/s40634-018-0153-5DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6153206PMC
September 2018
5 Reads

Normal meniscal dimensions at different patient ages-MRI evaluation.

Skeletal Radiol 2018 Sep 22. Epub 2018 Sep 22.

Department of Radiology, The Children's Hospital of Philadelphia, 3401 Civic Center Boulevard, Philadelphia, PA, 19104, USA.

Objective: The purpose of this work is to evaluate the normal meniscal and tibial dimensions in relation to age and gender in different children using conventional MRI sequences.

Materials And Methods: Morphometric measurements of the menisci were retrospectively performed on knee MRIs of children (< 18 years). All knee MRIs over a 7-year period were collected. Read More

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http://dx.doi.org/10.1007/s00256-018-3072-8DOI Listing
September 2018
1 Read

Arthroscopic treatment for symptomatic lateral discoid meniscus: The effects of different ages, groups and procedures on surgical outcomes.

Knee 2018 Dec 13;25(6):1083-1090. Epub 2018 Aug 13.

Department of Orthopaedic Surgery, Wakamatsu Hospital for the University of Occupational and Environmental Health, Kitakyushu, Fukuoka, Japan. Electronic address:

Background: There is a paucity of literature regarding the results of arthroscopic saucerization, with or without stabilization, for lateral discoid meniscus (LDM) in children, and differences in clinical outcomes between adults and children. The purpose of this study was to compare the clinical outcomes following arthroscopic treatment of symptomatic LDM in children versus adults. Secondly, outcomes of different surgical procedures (saucerization only and saucerization with repair or centralization) were also compared. Read More

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http://dx.doi.org/10.1016/j.knee.2018.06.003DOI Listing
December 2018
14 Reads

Characteristic morphology of the proximal tibiofibular joint in patients with discoid lateral meniscus.

Knee 2018 Dec 11;25(6):1027-1032. Epub 2018 Aug 11.

Dept. of Orthop. Surg., University of Hiroshima, 1-2-3, Kasumi, Minami-ku, Hiroshima 734-8551, Hiroshima, Japan.

Background: Patients with discoid lateral meniscus (DLM) are prone to meniscal injuries related to its shape and abnormal mobility. The anatomical joint inclination of the proximal tibiofibular joint (PTFJ) can also affect joint movement in knee motion. However, an association between PTFJ morphology and DLM remains unclear. Read More

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http://dx.doi.org/10.1016/j.knee.2018.07.019DOI Listing
December 2018
15 Reads

Meniscal fixation is a successful treatment for hypermobile lateral meniscus in soccer players.

Knee Surg Sports Traumatol Arthrosc 2018 Aug 11. Epub 2018 Aug 11.

Mutualidad Catalana de Futbolistas, Federación Española de Fútbol, Ronda Sant Pere 19-21, 08010, Barcelona, Spain.

Purpose: To report the outcomes (subjective function, return to play, complications and reoperations) of arthroscopic all-inside meniscal fixation in a large sample of soccer players with hypermobile lateral meniscus.

Methods: Between 2010 and 2015, 55 patients undergoing surgical treatment for hypermobile lateral meniscus at Mutualidad Catalana de Futbolistas (Barcelona, Spain) were identified. Patients with open physes, associated injuries, discoid meniscus, or clinical follow-up less than 6 months were excluded. Read More

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http://dx.doi.org/10.1007/s00167-018-5080-6DOI Listing
August 2018
2 Reads

The Sensitivity and Specificity of Preoperative History, Physical Examination, and Magnetic Resonance Imaging to Predict Articular Cartilage Injuries in Symptomatic Discoid Lateral Meniscus.

J Pediatr Orthop 2018 Oct;38(9):e501-e506

Department of Orthopaedic Surgery, Division of Shoulder and Sports Medicine Surgery, University of California San Francisco Medical Center, San Francisco.

Background: Discoid lateral meniscus (DLM) is a morphologic variant in which concomitant articular cartilage defects lead to poor outcomes. The purpose of this study was to quantify the prognostic ability of history, physical examination, and magnetic resonance imaging (MRI) to identify arthroscopically confirmed articular cartilage injury in pediatric and adolescent DLM patients.

Methods: An analysis of 34 consecutive patients (mean, 12. Read More

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http://dx.doi.org/10.1097/BPO.0000000000001221DOI Listing
October 2018
16 Reads

Osteochondritis Dissecans of the Knee: Etiology and Pathogenetic Mechanisms. A Systematic Review.

Cartilage 2018 Jul 1:1947603518786557. Epub 2018 Jul 1.

1 II Orthopaedic and Traumatologic Clinic, Rizzoli Orthopaedic Institute, Bologna, Italy.

Objective The purpose of this manuscript is to analyze the evidence regarding etiopathogenesis of knee osteochondritis dissecans (OCD) lesions through a systematic review, so to summate the current understanding of the origin and progression of this pathologic articular processes. Design A systematic review of the literature was performed on the PubMed and Cochrane databases on October 2017 by 2 independent authors and included all levels of evidence. This included all English language literature, pertaining specifically to etiopathology of knee OCD with exclusions for review articles and expert opinion. Read More

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http://dx.doi.org/10.1177/1947603518786557DOI Listing
July 2018
2 Reads

Does discoid lateral meniscus have inborn peripheral rim instability? Comparison between intact discoid lateral meniscus and normal lateral meniscus.

Arch Orthop Trauma Surg 2018 Dec 5;138(12):1725-1730. Epub 2018 Jul 5.

Department of Orthopedic Surgery, Inje University Busan Paik Hospital, Busan, South Korea.

Introduction: Little is known about peripheral rim instability (PRI) of adult discoid lateral meniscus (DLM). We compared PRI of the intact DLM (iDLM) to those of intact normal lateral meniscus (LM) in adult patients and also investigated whether there was any association between PRI and DLM tears.

Materials And Methods: We investigated PRI in 17 DLMs and 60 normal LMs without tears during arthroscopic surgery for medial compartmental pathologies between June 2012 and October 2015. Read More

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http://dx.doi.org/10.1007/s00402-018-2987-9DOI Listing
December 2018
5 Reads

Intercondylar and central regions of complete discoid lateral meniscus have different cell and matrix organizations.

J Orthop Sci 2018 Sep 22;23(5):811-818. Epub 2018 Jun 22.

Department of Orthopaedic Surgery, Okayama University Graduate School, 2-5-1 Shikata-cho, Kitaku, Okayama 700-8558, Japan.

Background: A complete discoid lateral meniscus (DLM) has a high risk of horizontal tear. However, cellular phenotypes and extracellular matrix organizations in complete DLMs are still unclear. The aim of this study was to investigate histological and cellular biological characteristics in both the intercondylar and central regions of complete DLM. Read More

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http://dx.doi.org/10.1016/j.jos.2018.05.006DOI Listing
September 2018

Effect of arthroscopic resection for discoid lateral meniscus on the axial alignment of the lower limb.

Int Orthop 2018 May 16. Epub 2018 May 16.

Orthopedic Department, Anhui Provincial Hospital, Anhui Medical University, Hefei, 230001, China.

Purpose: This study was designed to investigate the changes in the lower limb axial alignment and knee joint function after arthroscopic resection of discoid lateral menisci.

Methods: Pre-operative and post-operative full-length weight-bearing radiographs of the lower limb were obtained from 60 patients with discoid lateral menisci from August 2015 to August 2016. Twenty-four patients were treated with meniscectomy and 36 cases were treated with meniscoplasty. Read More

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http://dx.doi.org/10.1007/s00264-018-3944-5DOI Listing

Evaluation of anterior intermeniscal ligament in discoid lateral meniscus cases and presenting the accompanying meniscal pathologies with MRI.

Acta Radiol 2019 Jan 12;60(1):100-105. Epub 2018 May 12.

Department of Radiology, Kayseri Education and Research Hospital, Kayseri, Turkey.

Background: Although several studies were conducted to put forth the biomechanical function of anterior intermeniscal ligament (AIML) on the stability of meniscal structures, there are few data on the etiology of the early degeneration of discoid type compared to the normal shaped ones.

Purpose: To determine the AIML subtypes and accompanying meniscal pathologies in discoid lateral menisci (DLM) on knee MRI exams.

Material And Methods: Knee MRI exams of 171 individuals with DLM were reviewed. Read More

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http://dx.doi.org/10.1177/0284185118776499DOI Listing
January 2019
3 Reads

Kinematic features in patients with lateral discoid meniscus injury during walking.

Sci Rep 2018 Mar 22;8(1):5053. Epub 2018 Mar 22.

Department of Orthopedics, Guangzhou General Hospital of Guangzhou Military Command, Guangzhou, 510010, China.

At present, there few studies on the kinematic features of lateral discoid meniscus injury. In this study, a motion capture system was used to investigate the motion characteristics of knees with lateral discoid meniscus after injury, and the differences between the knees with lateral meniscus and intact knees were compared. Fourteen patients diagnosed with unilateral lateral discoid meniscus injury, fourteen patients diagnosed with unilateral lateral meniscus injury, and fourteen normal subjects with healthy knees were recruited and grouped. Read More

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http://dx.doi.org/10.1038/s41598-018-22935-0DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5864959PMC
March 2018
1 Read

Do Age and Weightbearing Radiographs Affect Lateral Joint Space and Fibular Height Measurements in Patients With Discoid Lateral Meniscus?

Orthop J Sports Med 2018 Mar 9;6(3):2325967118760534. Epub 2018 Mar 9.

Department of Orthopaedics, Connecticut Children's Medical Center, Farmington, Connecticut, USA.

Background: Several radiographic parameters have been associated with a discoid lateral meniscus. However, limited information is available regarding the radiographic findings of a discoid meniscus in the pediatric population.

Purpose: To determine the effect of age and weightbearing (WB) on radiographic parameters associated with discoid lateral menisci in pediatric patients. Read More

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http://dx.doi.org/10.1177/2325967118760534DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5846930PMC
March 2018
5 Reads

Regeneration of lateral discoid meniscus after arthroscopic partial meniscectomy in an adult patient.

Knee Surg Sports Traumatol Arthrosc 2018 Aug 3;26(8):2278-2281. Epub 2018 Mar 3.

Department of Orthopaedic Surgery, Anam Hospital, Korea University College of Medicine, 73 Inchon-ro (Anam-dong 5-ga) Seongbuk-gu, Seoul, 02841, South Korea.

Arthroscopic partial resection is indicated for patients who have symptomatic discoid meniscus with overall satisfactory clinical outcomes. Reports regarding regeneration of discoid meniscus after arthroscopic surgery are limited. There are only two reports for children in the literature. Read More

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http://dx.doi.org/10.1007/s00167-018-4884-8DOI Listing
August 2018
5 Reads
2.837 Impact Factor

Osteochondritis Dissecans of the Knee - Conservative Treatment Strategies: A Systematic Review.

Cartilage 2018 Feb 1:1947603518758435. Epub 2018 Feb 1.

1 IRCCS Rizzoli Orthopaedic Institute, Bologna, Italy.

Objective Osteochondritis dissecans (OCD) lesions are a relevant problem that affects the long-term prognosis of young patients. The purpose of this study was to analyze the evidence on potential and indications of nonsurgical treatment strategies for knee OCD. Design The search was conducted on 3 medical electronic databases according to PRISMA guidelines, including reports of any level of evidence dealing with the conservative management of knee OCD. Read More

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http://dx.doi.org/10.1177/1947603518758435DOI Listing
February 2018
3 Reads

[Diagnosis and treatment of 4 patients with knee discoid medial meniscus under arthroscopic].

Zhongguo Gu Shang 2017 Jun;30(6):566-569

Department of Sports Medicine, the First Bethune Hospital of Jilin University, Changchun 130000, Jilin, China;

Objective: To explore clinical characteristics of 4 patients with knee discoid medial meniscus under arthroscopic.

Methods: From April 2012 to May 2015, 4 patients(4 knees) with knee discoid medial meniscus were treated with arthroscopic, including 1 male and 3 females, aged from 7 to 56 years old with an average of 26 years old. All patients were performed discoid meniscus plasty under arthroscopic. Read More

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http://dx.doi.org/10.3969/j.issn.1003-0034.2017.06.016DOI Listing
June 2017
2 Reads

The adaptive change of patellofemoral joint after arthroscopic discoid lateral meniscus plasty: An observational study.

Medicine (Baltimore) 2018 Feb;97(6):e9827

The Third Hospital of Hebei Medical University, Shijiazhuang, Hebei.

The purpose of this study was to investigate the patellofemoral joint adaptive changes after discoid lateral meniscus (DLM) plasty.Forty-one patients with unilateral complete type DLM tears were included in this study. Demographic variables, including gender, age, body mass index (BMI), injury to operation interval, type of injury, and follow-up time, were recorded. Read More

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http://dx.doi.org/10.1097/MD.0000000000009827DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5944665PMC
February 2018
23 Reads

Clinical outcome of meniscus repair for isolated meniscus tear in athletes.

Asia Pac J Sports Med Arthrosc Rehabil Technol 2017 Oct 7;10:4-7. Epub 2017 Jun 7.

Department of Orthopaedic Surgery, Meiwa General Hospital, 4-31 Agenaruocho, 663-8186 Nishinomiya City, Hyogo, Japan.

Objective: To examine the clinical and functional outcomes for a series of patients who underwent meniscal repair for isolated meniscal tears focusing the study population on athletes.

Methods: This study represents a case series of 46 athletes who underwent repair of isolated meniscal lesions of the knee from 2010 to 2015. Cases of discoid meniscal lesions and combined ligament injuries were excluded. Read More

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http://dx.doi.org/10.1016/j.asmart.2017.05.299DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5780295PMC
October 2017
2 Reads

Arthroscopic Saucerization and All-Inside Repair of a Delaminated Discoid Lateral Meniscus.

Arthrosc Tech 2017 Aug 21;6(4):e1387-e1391. Epub 2017 Aug 21.

Midwest Orthopaedics at Rush, Rush University Medical Center, Chicago, Illinois, U.S.A.

Preservation of the meniscus has been shown to influence the progression of degenerative changes of the knee. As more meniscus is preserved, the propensity for development of osteoarthritis is lessened. Surgical treatment of a torn discoid meniscus has typically been a subtotal meniscectomy or partial meniscectomy. Read More

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http://dx.doi.org/10.1016/j.eats.2017.05.018DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5622308PMC
August 2017
4 Reads

Prevalence of Bilateral Involvement in Patients with Discoid Lateral Meniscus : a Systematic Literature Review.

Acta Orthop Belg 2016 12;83(1):153-160

We assessed the prevalence of bilateral discoid lateral meniscus (BDLM), as well as its subtypes, among patients with symptomatic DLM. Medline, Cochrane, EMBASE, and Google Scholar were searched until September 18, 2015. All studies evaluating patients with BDLM who underwent MRI, macroscopic observation, and/or arthroscopy for the diagnosis of discoid meniscus/menisci were included. Read More

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December 2016
4 Reads

Decline in clinical scores at long-term follow-up of arthroscopically treated discoid lateral meniscus in children.

Knee Surg Sports Traumatol Arthrosc 2018 Oct 5;26(10):2906-2911. Epub 2018 Jan 5.

Hospital for Special Surgery, 525 E 70th Street, New York, NY, 10021, USA.

Purpose: The purpose of this study was to examine the long-term clinical outcomes of arthroscopic partial meniscectomy for the treatment of discoid lateral meniscus in children.

Methods: A previous study identified 34 consecutive patients that underwent arthroscopic meniscal saucerization by one of the two surgeons between 1997 and 2002. Patients were asked to complete several outcomes questionnaires and were given the opportunity to receive a knee exam performed by their treating surgeon. Read More

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http://dx.doi.org/10.1007/s00167-017-4825-yDOI Listing
October 2018
15 Reads

Prediction Models to Improve the Diagnostic Value of Plain Radiographs in Children With Complete Discoid Lateral Meniscus.

Arthroscopy 2018 Feb 2;34(2):479-489.e3. Epub 2018 Jan 2.

Department of Orthopedic Surgery, Jeju National University Hospital, Jeju National University School of Medicine, Jeju, Republic of Korea.

Purpose: To develop prediction models to improve the diagnostic utility of plain radiographs for the diagnosis of complete discoid lateral meniscus by combining previously reported radiographic findings.

Methods: Patients ages 5 to 16 years with complete discoid lateral meniscus confirmed by arthroscopy or magnetic resonance imaging were included. Patients with insufficient radiographs were excluded. Read More

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http://dx.doi.org/10.1016/j.arthro.2017.08.252DOI Listing
February 2018
4 Reads

Arthroscopic partial meniscectomy in young patients with symptomatic discoid lateral meniscus: an average 10-year follow-up study.

Arch Orthop Trauma Surg 2018 Mar 29;138(3):369-376. Epub 2017 Nov 29.

Department of Orthopedic Surgery, Asan Medical Center, College of Medicine, University of Ulsan, 88 Olympic-ro 43-gil, Songpa-gu, Seoul, 05505, Republic of Korea.

Introduction: The aim of this study is to evaluate mid-to-long-term clinical and radiological outcomes after an arthroscopic partial meniscectomy for symptomatic discoid lateral meniscus (DLM) in young patients and to determine whether degeneration of the residual meniscus and articular cartilage progresses during the follow-up period using magnetic resonance imaging (MRI).

Materials And Methods: We retrospectively reviewed patients aged ≤ 40 years at surgery who underwent arthroscopic partial meniscectomy for symptomatic DLM and were followed up for ≥ 5 years. Lysholm knee scores and reoperation rates were assessed as clinical outcomes. Read More

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http://dx.doi.org/10.1007/s00402-017-2853-1DOI Listing
March 2018
13 Reads

Can we predict the clinical outcome of arthroscopic partial meniscectomy? A systematic review.

Br J Sports Med 2018 Apr 28;52(8):514-521. Epub 2017 Nov 28.

Department of Orthopedic Surgery, Erasmus MC, University Medical Centre Rotterdam, Rotterdam, The Netherlands.

Nhs-prospero Registration Number: 42016048592 OBJECTIVE: In order to make a more evidence-based selection of patients who would benefit the most from arthroscopic partial meniscectomy (APM), knowledge of prognostic factors is essential. We conducted a systematic review of predictors for the clinical outcome following APM.

Design: Systematic review DATA SOURCES: Medline, Embase, Cochrane Central Register, Web of Science, SPORTDiscus, PubMed Publisher, Google Scholar INCLUSION CRITERIA: Report an association between factor(s) and clinical outcome; validated questionnaire; follow-up >1 year. Read More

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http://dx.doi.org/10.1136/bjsports-2017-097836DOI Listing
April 2018
9 Reads

Bilateral discoid medial meniscus associated with meniscal tears and hypoplasia of the medial femoral condyle: A case report.

Medicine (Baltimore) 2017 Nov;96(46):e8637

aDepartment of Orthopedics, Third Hospital of Hebei Medical University bOrthopaedic Biomechanics Laboratory of Hebei Province, Shijiazhuang, Hebei, People's Republic of China.

Rationale: Bilateral discoid medial menisci is an extremely rare abnormality of the knee joint. The presence of a discoid medial meniscus has been associated with magnetic resonance imaging (MRI) and radiographic changes in the tibial region, such as cupping of the medial tibial plateau and tibial physis collapse. While discoid medial meniscal tears with hypoplasia of the femoral medial condyles have not been previously reported. Read More

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http://dx.doi.org/10.1097/MD.0000000000008637DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5704831PMC
November 2017
11 Reads

Transient Common Peroneal and Tibial Nerve Palsy Following Knee Arthroscopy for the Treatment of Discoid Lateral Meniscus.

Joints 2017 Jun 28;5(2):118-120. Epub 2017 Jul 28.

Department of Orthopedic Surgery, University of Rome Tor Vergata, Rome, Italy.

The number of knee arthroscopies has increased rapidly since the 1980s and are among the most common orthopedic procedures today. It is generally considered a minimally invasive surgery with relatively low morbidity, but it is not without risk of complications. We report the case of a 14-year-old boy who developed a lesion of common peroneal nerve and tibial nerve after knee arthroscopy for a torn discoid lateral meniscus, which was confirmed by electromyogram study. Read More

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http://dx.doi.org/10.1055/s-0037-1603674DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5672866PMC
June 2017
6 Reads

Evolution of Osteochondritis Dissecans of the Lateral Femoral Condyle Combined with Discoid Meniscus.

Joints 2017 Jun 28;5(2):114-117. Epub 2017 Jul 28.

Policlinico di Monza, Monza, Italy.

The discoid meniscus is a rare anomaly of the knee that affects mostly the lateral meniscus and is often asymptomatic. The osteochondritis dissecans is a disorder of the subchondral bone and articular cartilage and occurs frequently associated with the discoid lateral meniscus. In the present case, we showed the evolution of this association related to surgical treatment. Read More

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http://dx.doi.org/10.1055/s-0037-1603673DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5672867PMC
June 2017
4 Reads

Posteriorly inserted anterior cruciate ligament in knees with discoid lateral meniscus corresponding to bony morphological characteristics of femoral lateral condyle.

J Orthop Sci 2018 Mar 1;23(2):350-355. Epub 2017 Nov 1.

Department of Orthopaedic Surgery, Tokyo Medical and Dental University Hospital of Medicine, 1-5-45 Yushima, Bunkyo-ku, Tokyo 113-8519, Japan; National Hospital Organization Disaster Medical Center, 3256 Midori, Tachikawa, Tokyo 190-0014, Japan. Electronic address:

Purpose: Discoid meniscus often causes mechanical problems and needs surgical treatment at an early age. However, many aspects of its morphological development and changes remain unknown. The purpose of this study was to investigate the insertion of the femoral anterior cruciate ligament (ACL) via the behind-ACL approach and the morphology of the lateral femoral condyle to which the ACL attaches to clarify the morphological characteristics of the knee with discoid lateral meniscus (DLM). Read More

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http://dx.doi.org/10.1016/j.jos.2017.10.003DOI Listing
March 2018
4 Reads

Improved arthroscopic one-piece excision technique for the treatment of symptomatic discoid medial meniscus.

J Orthop Surg Res 2017 Oct 30;12(1):161. Epub 2017 Oct 30.

Department of Orthopedics, The Third Hospital of Hebei Medical University, 139 Ziqiang Road, Shijiazhuang, 050051, Hebei, People's Republic of China.

Background: Discoid medial meniscus is an extremely rare abnormality of the knee. During arthroscopic meniscectomy for symptomatic discoid medial meniscus, it is difficult to remove the posterior portion of the meniscus because of the confined working space within the compartment and the obstruction caused by the anterior cruciate ligament and the tibial intercondylar eminence. To overcome these problems, we describe an improved arthroscopic technique for one-piece excision of symptomatic discoid medial meniscus through three unique portals. Read More

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http://dx.doi.org/10.1186/s13018-017-0661-5DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5661915PMC
October 2017
9 Reads

Discoid Lateral Meniscus in Children: Diagnosis, Management, and Outcomes.

J Am Acad Orthop Surg 2017 Nov;25(11):736-743

From the Department of Orthopaedic Surgery, Boston Children's Hospital, Boston, MA (Dr. Kocher and Dr. Kramer) and the Steadman Philippon Research Institute, Vail, CO (Dr. Logan).

Discoid meniscus is a congenital variant of the knee joint that typically involves abnormal morphology and potential instability of the lateral meniscus. Some discoid menisci have abnormal peripheral attachments and are unstable. Discoid menisci are prone to tearing secondary to increased thickness, poor tissue quality, and instability. Read More

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http://dx.doi.org/10.5435/JAAOS-D-15-00491DOI Listing
November 2017
6 Reads

Risk factors for radiographic progression of osteoarthritis after partial meniscectomy of discoid lateral meniscus tear.

Orthop Traumatol Surg Res 2017 12 5;103(8):1183-1188. Epub 2017 Oct 5.

Department of Orthopedic Surgery, Dongguk University Ilsan Hospital, 814 Siksadong, Ilsandonggu, Goyangsi, Gyeonggido, South Korea.

Introduction: Partial meniscectomy has been preferred in the treatment of discoid lateral meniscus (DLM) with tear, rather than total or subtotal meniscectomy, which could lead to late radiographic degenerative changes.

Hypothesis: One or more risk factors contribute to radiographic progression of osteoarthritis after partial meniscectomy of DLM tear.

Material And Methods: Inclusion criteria were consecutive patients who underwent arthroscopic surgeries for DLM tear from January 2005 to December 2010 by one surgeon. Read More

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https://linkinghub.elsevier.com/retrieve/pii/S18770568173027
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http://dx.doi.org/10.1016/j.otsr.2017.09.013DOI Listing
December 2017
4 Reads

Discoid lateral meniscus can be overlooked by magnetic resonance imaging in patients with meniscal tears.

Knee Surg Sports Traumatol Arthrosc 2018 Aug 11;26(8):2317-2323. Epub 2017 Sep 11.

Department of Orthopedic Surgery, Myongji Hospital, Goyang-si, Republic of Korea.

Purpose: MRI evaluation of torn lateral meniscus was compared with arthroscopy. This study calculates the sensitivity, specificity, and accuracy of MRI in determining the presence or absence of discoid lateral meniscus (DLM) for different tear types.

Methods: MR imaging of 156 knees with arthroscopically confirmed lateral meniscus tears was analysed. Read More

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http://dx.doi.org/10.1007/s00167-017-4704-6DOI Listing
August 2018
25 Reads

Atraumatic sequential bilateral locking of the knee joints secondary to dislocation of non-discoid lateral menisci without radiological abnormality.

J Clin Orthop Trauma 2017 Aug 4;8(Suppl 1):S26-S28. Epub 2017 Jun 4.

Queen Elizabeth The Queen Mother Hospital, Margate, CT9 4AN, UK.

Lateral meniscus dislocation, as a cause of atraumatic knee locking, is often attributed to a discoid meniscus which can be readily diagnosed on MRI. In the absence of radiological abnormality, a dislocated lateral meniscus is a rare occurrence. We present a case of a 14 year old male who presented with atraumatic sequential locking of bilateral knees 6 months apart. Read More

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http://dx.doi.org/10.1016/j.jcot.2017.06.002DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5574865PMC
August 2017
1 Read

Saucerization Versus Complete Resection of a Symptomatic Discoid Lateral Meniscus at Short- and Long-term Follow-up: A Systematic Review.

Arthroscopy 2017 Sep;33(9):1733-1742

Department of Orthopaedics and Rehabilitation, Penn State College of Medicine, Penn State Hershey Bone and Joint Institute, Hershey, Pennsylvania, U.S.A.. Electronic address:

Purpose: To evaluate the surgical outcomes of symptomatic discoid menisci after total meniscectomy, saucerization, and suture repair of tears of a discoid meniscus at short- and long-term follow-up.

Methods: A systematic review was conducted using the Pubmed and ScienceDirect databases in adherence with Preferred Reporting Items of Systematic Reviews and Meta-Analysis guidelines. Short- and long-term follow-up were defined as an average follow-up of <4 years and >4 years, respectively. Read More

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http://dx.doi.org/10.1016/j.arthro.2017.03.028DOI Listing
September 2017
26 Reads

Discoid Medial Meniscus Tear, with a Literature Review of Treatments.

Knee Surg Relat Res 2017 09;29(3):237-242

Department of Orthopaedic Surgery, Daejeon Sun Hospital, Daejeon, Korea.

The present study reports our experience of treating four cases of symptomatic discoid medial meniscus, three of which were bilateral. We performed partial meniscectomy with a four-portal technique using a knife leaving a 6 mm peripheral margin after confirmation of magnetic resonance imaging findings. Clinical results were assessed at the end of 2-year follow-up using the Knee Injury and Osteoarthritis Outcome Score and a visual analogue scale. Read More

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http://dx.doi.org/10.5792/ksrr.15.054DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5596407PMC
September 2017
11 Reads

Arthroscopic knee anatomy in young achondroplasia patients.

J Child Orthop 2017 Jun;11(3):169-174

Department of Orthopedic Surgery, Nemours/Alfred I. duPont Hospital for Children, 1600 Rockland Rd, Wilmington, DE 19803, USA.

Purpose: Achondroplasia is the most common form of skeletal dysplasia, affecting more than 250 000 individuals worldwide. In these patients, the developing knee undergoes multiple anatomical changes. The purpose of this study was to characterise the intra-articular knee anatomy in children with achondroplasia who underwent knee arthroscopy. Read More

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http://dx.doi.org/10.1302/1863-2548.11.160168DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5548030PMC
June 2017
18 Reads

Does high location and thickness of the Wrisberg ligament affect discoid lateral meniscus tear type based on peripheral detachment?

Knee 2017 Dec 17;24(6):1350-1358. Epub 2017 Aug 17.

Department of Orthopedic Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea. Electronic address:

Background: The aim of this study was to evaluate the relationship between discoid lateral meniscus (DLM) types based on peripheral detachment and anatomic features of Wrisberg ligament (WL) such as location and thickness based on magnetic resonance image (MRI).

Methods: A total of 322 knees in 292 patients were reviewed. Patients were divided into four DLM types according to peripheral detachment: no shift (type 1), anterocentral shift (type 2), posterocentral shift (type 3) and central shift (type 4). Read More

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http://dx.doi.org/10.1016/j.knee.2017.07.012DOI Listing
December 2017
5 Reads

Tibial eminence width can predict the presence of complete discoid lateral meniscus: A preliminary study.

J Orthop Sci 2017 Nov 18;22(6):1084-1088. Epub 2017 Aug 18.

Department of Orthopaedic Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, 2-5-1 Shikatacho, Kitaku, Okayama 700-8558, Japan.

Background: To compare the plain knee radiograph finding of tibial eminence width between knees with complete discoid lateral meniscus, incomplete discoid lateral meniscus, and normal lateral meniscus.

Materials And Methods: The study included 27 knees with discoid lateral meniscus, including 13 knees with complete discoid lateral meniscus and 14 knees with incomplete discoid lateral meniscus. A control group of 14 knees with normal lateral meniscus was also included. Read More

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http://dx.doi.org/10.1016/j.jos.2017.07.011DOI Listing
November 2017
2 Reads

Systematic Review of the Long-term Surgical Outcomes of Discoid Lateral Meniscus.

Arthroscopy 2017 Oct 24;33(10):1884-1895. Epub 2017 Jun 24.

Department of Orthopaedic Surgery, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seongnam, Republic of Korea.

Purpose: To evaluate the surgical treatment of the discoid lateral meniscus (DLM) with long-term follow-up and to search which factors are related to good clinical or radiological outcomes.

Methods: Search was performed using a MEDLINE, EMBASE, and Cochrane database, and each of the selected studies was evaluated for methodological quality using a risk of bias (ROB) covering 7 criteria. Clinical and radiological outcomes with more than 5 years of follow-up were evaluated after surgical treatment of DLM. Read More

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http://dx.doi.org/10.1016/j.arthro.2017.04.006DOI Listing
October 2017
5 Reads

Anterior meniscopexy: a meniscal sparing technique for the treatment of locking but intact discoid lateral meniscus.

Knee Surg Sports Traumatol Arthrosc 2018 Apr 27;26(4):1158-1163. Epub 2017 Apr 27.

Robert Jones and Agnes Hunt Orthopaedic Hospital, Oswestry, Shropshire, SY10 7AG, UK.

Purpose: Symptomatic discoid lateral meniscus without tears has traditionally been treated with excision of part or the entire meniscus. Resection of 15-34% of the meniscus increases tibiofemoral contact pressures by more than 350%. Treatment of discoid lateral meniscus with partial or total meniscectomy in childhood increases the risk of early-onset osteoarthritis in the knee. Read More

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http://dx.doi.org/10.1007/s00167-017-4546-2DOI Listing
April 2018
7 Reads

Risk Factors Associated With Knee Joint Degeneration After Arthroscopic Reshaping for Juvenile Discoid Lateral Meniscus.

Am J Sports Med 2017 Mar 22;45(3):570-577. Epub 2016 Oct 22.

Department of Orthopaedic Surgery, Osaka City University Graduate School of Medicine, Osaka, Japan.

Background: Although arthroscopic meniscal reshaping for discoid lateral meniscus (DLM) has better outcomes than total or subtotal meniscectomy, degenerative changes on radiographs are still seen in some patients with meniscal reshaping.

Purpose: To assess the risk factors associated with knee joint degeneration after reshaping surgery for juvenile DLM.

Study Design: Case-control study; Level of evidence, 3. Read More

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http://dx.doi.org/10.1177/0363546516668623DOI Listing
March 2017
17 Reads