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World J Clin Cases 2019 Nov;7(22):3772-3777

Department of Orthopaedic Surgery, School of Medicine, Gyeongsang National University, 90 Chilamdong, Gyeongsangnam-do, Jinju 52727, South Korea.

Background: Calcific tendinopathy denotes calcific deposits in a specific tendon. It is also known as calcifying tendinitis, calcifying periarticulitis, or periarticular apatite deposition disease. Recently, extracorporeal shock wave therapy (ESWT) has been reported to be effective in relieving and treating pain in calcific tendinopathy. Read More

Rev Esp Cir Ortop Traumatol 2020 Jan - Feb;64(1):13-21. Epub 2019 Nov 14.

Servicio de Cirugía Ortopédica y Traumatología, Hospital IMED Valencia, Burjassot, Valencia, España.

Background And Aim: Calcific tendinitis of the rotator cuff is a common cause of shoulder pain. The aim of the present study was to show a rare presentation of calcific tendinopathy of the shoulder, the intraosseous extension, which can be mistaken for a bone tumour or an infectious disease.

Material And Methods: Two clinical cases of calcific tendinopathy of the shoulder with intraosseous extension and a review of the literature are presented. Read More

Skeletal Radiol 2019 Dec 10;48(12):1875-1890. Epub 2019 Jul 10.

Department of Radiology, Nuclear Medicine and Molecular Imaging, University Medical Center Groningen, University of Groningen, Hanzeplein 1, PO Box 30.001, 9700, RB, Groningen, The Netherlands.

The purpose of this article is to review calcified or ossified benign soft tissue lesions that may simulate malignancy. We review the clinical presentations, locations, imaging characteristics, and differential diagnostic considerations of myositis ossificans, tophaceous gout, benign vascular lesions, calcific tendinopathy with osseous involvement, periosteal chondroma, primary synovial chondromatosis, Hoffa's disease, tumoral calcinosis, lipoma with metaplasia, calcifying aponeurotic fibroma, calcific myonecrosis, ancient schwannoma, and Castleman disease. Read More

Arch Orthop Trauma Surg 2020 Feb 26;140(2):145-153. Epub 2019 Jun 26.

Department of Orthopaedics, University Medical Center Hamburg-Eppendorf, Martinistrasse 52, 20246, Hamburg, Germany.

Introduction: Hip abductor tendinopathies are becoming increasingly recognized as clinically relevant disorders. However, knowledge about prevalence of abductor tendinopathies and associated disorders of adjacent hip articular and periarticular structures is limited. In this context, the relative diagnostic value of 1. Read More

Medicine (Baltimore) 2019 May;98(21):e15552

The Department of Orthopedic Surgery, The First People's Hospital of Neijiang, Sichuan, China.

Background: Rotator cuff calcific tendinopathy (RCCT) is frequently diagnosed in patients with shoulder pain, but there is no consensus on its treatment such as rest, nonsteroidal anti-inflammatory drugs (NSAIDs), physical therapy, subacromial corticosteroid injection (SAI), extracorporeal shock wave therapy (ESWT), and ultrasound-guided percutaneous lavage (UGPL). The aim of the study was to compare the effectiveness of UGPL with other techniques in the treatment of RCCT.

Methods: Literature searches of PubMed, EMBASE, OVID, Cochrane Library, Web of Science, Chinese Biomedical Literature, Wanfang, Weipu Journal, and CNKI databases were performed up to August 2018. Read More

Am J Surg Pathol 2019 02;43(2):261-267

Department of Pathology.

The term "idiopathic calcifying tenosynovitis" (ICT) refers to a clinically and radiologically defined syndrome of pain and tendinous calcifications, most often involving the shoulder joint. A distinctive subset of ICT cases, termed "tenosynovitis with psammomatous calcifications" (TPC), occurs in the distal extremities and shows characteristic morphology, in particular psammomatous calcifications. As only 14 cases have been reported to date, TPC remains poorly recognized by both pathologists and clinicians. Read More

Int Orthop 2019 05 29;43(5):1171-1177. Epub 2018 Aug 29.

Department of Orthopaedics and Traumatology, School of Medicine, Koc University, Istanbul, Turkey.

Purpose: Magnetic resonance (MRI) is a valuable imaging method which can detect pre-operative rotator cuff tear characteristics accurately. However, tendon degeneration almost always necessitates a certain amount of debridement during arthroscopic repair, which alters tear size and shape. The aim of this study is to question the accuracy of the pre-operative tear size and classification in MRI and its relation to the tear size and type of the debrided tendon during arthroscopic repair. Read More

BMC Musculoskelet Disord 2017 Dec 6;18(1):513. Epub 2017 Dec 6.

European SportsCare Network (ESN) - Zentrum für Sportorthopädie, Borsigstrasse 2, 65205, Wiesbaden, Nordenstadt, Germany.

Background: A retrospective single centre cohort analysis was performed to evaluate an individualised radial extracorporeal shock wave therapy (rESWT) protocol for treatment of symptomatic calcific shoulder tendinopathy.

Methods: 67 patients (79 Shoulders) were identified with 76 shoulders included for analysis. rESWT treatment protocol was adapted according to individual response to treatment. Read More

J Sports Med Phys Fitness 2018 Jul-Aug;58(7-8):1090-1095. Epub 2017 Feb 22.

Department of Orthopedic Surgery, The Second Affiliated Hospital of Wenzhou Medical University, Wenzhou, China -

Calcifying tendinitis of the shoulder is characterized with the formation of the calcium deposits in tendon, which mostly involves supraspinatus. The formation of the calcium deposits may be related to the excessive mechanical stimulation and non-tenocytes generation from tendon stem cell. The disease is usually associated with pain, especially when activating the shoulder. Read More

Adv Exp Med Biol 2016;920:199-208

Department of Physical Therapy, Centre for Hip Health and Mobility, University of British Columbia, Vancouver, BC, Canada.

Exercise is crucial in the management of diabetes mellitus and its associated complications. However, individuals with diabetes have a heightened risk of musculoskeletal problems, including tendon pathologies. Diabetes has a significant impact on the function of tendons due to the accumulation of advanced glycation end-products in the load-bearing collagen. Read More

BMC Musculoskelet Disord 2016 07 13;17:283. Epub 2016 Jul 13.

Department of Orthopaedic Surgery, Koenig-Ludwig-Haus, Julius-Maximilians-University Wuerzburg, Brettreichstraße 11, D- 97074, Wuerzburg, Germany.

Background: Calcification of the medial collateral ligament (MCL) of the knee is a very rare disease. We report on a case of a patient with a calcifying lesion within the MCL and simultaneous calcifying tendinitis of the rotator cuff in both shoulders.

Case Presentation: Calcification of the MCL was diagnosed both via x-ray and magnetic resonance imaging (MRI) and was successfully treated surgically. Read More

Acta Ortop Mex 2015 Sep-Oct;29(5):254-60

Instituto de Medicina del Deporte. Cerro Pelado, calle 100 s/n entre 10 y 14. Reparto Embil. Altahabana, La Habana, Cuba.

Background: Inflammatory and calcifying diseases of the soft tissues are disorders having significant economical and social repercussions. They can be treated with drugs or physical therapy, and if these fail, surgery used to be the last existing therapeutic step. In recent years, a non-surgical alternative is being used to treat them, the application of extracorporeal shock waves. Read More

Radiologia 2016 May 28;58 Suppl 2:45-57. Epub 2016 Apr 28.

Hospital Universitario Fundación Alcorcón, Alcorcón, Madrid, España.

We aim to describe imaging-guided (ultrasound and CT) interventional techniques in the musculoskeletal system that can be performed by general radiologists, whether in hospitals, primary care clinics, private offices, or other settings. The first requirement for doing these procedures is adequate knowledge of the anatomy of the musculoskeletal system. The second requirement is to inform the patient thoroughly about the technique, the risks involved, and the alternatives available in order to obtain written informed consent. Read More

Acta Reumatol Port 2015 Oct-Dec;40(4):378-83

Calcifying tendinitis occurs most commonly in the rotator cuff tendons, particularly involving the supraspinatus tendon insertion, and is often asymptomatic. Cortical erosion secondary to calcifying tendinitis has been reported in multiple locations, including in the rotator cuff tendons. The authors report two cases of symptomatic calcifying tendinitis involving the infraspinatus tendon with cortical erosion with correlative radiographic, and MR findings. Read More

Orthop J Sports Med 2015 Apr 7;3(4):2325967115577957. Epub 2015 Apr 7.

Italian Hospital of Buenos Aires, Buenos Aires, Argentina.

Background: Calcified rotator cuff tendinitis is a common cause of chronic shoulder pain that leads to significant pain and functional limitations. Although most patients respond well to conservative treatment, some eventually require surgical treatment.

Purpose: To evaluate the clinical outcome with arthroscopic removal of calcific deposit and rotator cuff repair without acromioplasty for the treatment of calcific tendinitis of the supraspinatus tendon. Read More

Eur J Orthop Surg Traumatol 2016 Feb 31;26(2):133-8. Epub 2015 Oct 31.

Santy Orthopedique Center, 24 av. Paul-Santy, 69008, Lyon, France.

Introduction: The aim was to describe the natural history of intratendinous partial rotator cuff tears as well as the anatomical and clinical results of surgical treatment of a cohort of 24 patients.

Patients And Methods: There were 14 men and 10 women with a mean age of 50 years. The right shoulder was involved in 17 cases. Read More

Rev Bras Ortop 2015 Jan-Feb;50(1):3-8. Epub 2015 Jan 22.

Escola Paulista de Medicina, Universidade Federal de São Paulo (Unifesp), São Paulo, SP, Brazil.

Shockwave treatment is an option within orthopedics. The exact mechanism through which shockwaves function for treating musculoskeletal diseases is unknown. The aim of this study was to make a qualitative analysis on the effectiveness of shockwave treatment among patients with musculoskeletal pathological conditions and pseudarthrosis. Read More

Skeletal Radiol 2015 Oct 15;44(10):1403-12. Epub 2015 May 15.

Département de radiologie et d'imagerie médicale, Université Catholique de Louvain, Cliniques St- Luc, Avenue Hippocrate 10, B-1200, Bruxelles, Belgium,

Calcium hydroxyapatite crystal deposition is a common disorder, which sometimes causes acute pain as calcifications dissolve and migrate into adjacent soft tissue. Intraosseous calcium penetration has also been described. We illustrate the appearance of these lesions using a series of 35 cases compiled by members of the French Society of Musculoskeletal Imaging (Société d'Imagerie Musculo-Squelettique, SIMS). Read More

Histol Histopathol 2015 Aug 8;30(8):901-10. Epub 2015 Apr 8.

UMR CNRS 5246, Université Claude Bernard-Lyon 1, University of Lyon, Institute for Molecular and Supramolecular Chemistry and Biochemistry, Villeurbanne, France.

Tendons are the structures that attach muscles to bones and transmit mechanical forces. Tendon cells are composed of mature tenocytes and a rare population of tendon stem cells. Both cell types ensure homeostasis and repair of tendon extracellular matrix to guarantee its specific mechanical properties. Read More

BMC Musculoskelet Disord 2014 Nov 20;15:385. Epub 2014 Nov 20.

Department of Orthopaedic and Trauma Surgery, University Hospital Freiburg, Hugstetter 55, 79106 Freiburg im Breisgau, Germany.

Background: The purpose of the present study was to investigate the accuracy of Ultrasound (US), conventional X-Ray (CX) and Computed Tomography (CT) to estimate the total count, localization, morphology and consistency of Calcium deposits (CDs) in the rotator cuff.

Methods: US, CX and CT imaging was performed pre-operatively in 151 patients who underwent arthroscopic removal of CDs in the rotator cuff. In all procedures: (1) total CD counts were determined, (2) the CDs appearance in each image modality was correlated to the intraoperative consistency and (3) CDs were localized in their relation to the acromion using US, CX and CT. Read More

J Orthop Traumatol 2015 Mar 15;16(1):67-73. Epub 2014 Jul 15.

Unit of Shoulder and Elbow Surgery, "D. Cervesi" Hospital, AUSL della Romagna, Ambito Territoriale di Rimini, L.V Beethowen 5, 47841, Cattolica, RN, Italy,

Ossifying tendinitis (OT) is a type of heterotopic ossification, characterized by deposition of hydroxyapatite crystals in a histologic pattern of mature lamellar bone. It is usually associated with surgical intervention or trauma and is more commonly seen in Achilles or distal biceps tendons, and also in the gluteus maximus tendon. To our knowledge, there is no description of OT as a complication of calcifying tendinitis of the rotator cuff. Read More

Rheumatol Int 2015 Feb 8;35(2):273-80. Epub 2014 Jul 8.

Orthopaedic Department, Università degli Studi di Milano, Milan, Italy,

Calcifying tendinopathy (CT) of the shoulder is a common painful disorder, although the etiology and pathogenesis remain largely unknown. Recent theories about the role of excessive mechanical load in the genesis of CT have been proposed. Driven by the interest for these new theories, we investigated the hypothesis of a relationship between work-related repetitive movements of the upper arm, considered a potential cause of shoulder overload, and the presence of shoulder CT. Read More

Arthrosc Tech 2014 Apr 14;3(2):e237-40. Epub 2014 Mar 14.

Plano Orthopedic Sports Medicine and Spine Center, Plano, Texas, U.S.A.

Calcific tendonitis, or calcifying tendonitis, is a common disorder characterized by the multifocal accumulation of basic calcium phosphate crystals within the rotator cuff tendons. In most cases, the multifocal calcifications are located 1 to 2 cm from the insertion of the supraspinatus tendon on the greater tuberosity. The initial treatment should be nonoperative including oral anti-inflammatory medication and physical therapy. Read More

Sci Rep 2014 Jun 5;4:5183. Epub 2014 Jun 5.

1] Wellcome Trust Centre for Cell-Matrix Research, University of Manchester, Oxford Road, Manchester M13 9PT, United Kingdom [2] Faculty of Life Sciences, University of Manchester, Oxford Road, Manchester M13 9PT, United Kingdom.

Tendons are prominent members of the family of fibrous connective tissues (FCTs), which collectively are the most abundant tissues in vertebrates and have crucial roles in transmitting mechanical force and linking organs. Tendon diseases are among the most common arthropathy disorders; thus knowledge of tendon gene regulation is essential for a complete understanding of FCT biology. Here we show autonomous circadian rhythms in mouse tendon and primary human tenocytes, controlled by an intrinsic molecular circadian clock. Read More

Clin Orthop Relat Res 2014 Sep 29;472(9):2816-25. Epub 2014 May 29.

Viecuri Medical Centre, Tegelseweg 210, 5912 BL, Venlo, The Netherlands,

Background: There are several treatment options for calcifying tendinitis of the shoulder. The next step treatment after conservative treatment fails is still a matter of dispute. Extracorporeal shock wave therapy (ESWT) has been shown to be a good alternative to surgery, but the best treatment intensity remains unknown. Read More

J Shoulder Elbow Surg 2014 Aug 26;23(8):1240-9. Epub 2014 Apr 26.

Department of Orthopaedic Surgery, Onze Lieve Vrouwen Gasthuis, Amsterdam, The Netherlands.

Background: This meta-analysis assessed the short-term to midterm effectiveness of minimally invasive treatments in the management of calcifying tendinopathy of the shoulder cuff, a common source of chronic shoulder pain that leads to pain, a decreased active range of motion, and loss of muscular strength. When conservative therapies fail, minimally invasive treatment options can be considered before resulting to surgery.

Materials And Methods: The Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines were followed to conduct this review. Read More

Arch Orthop Trauma Surg 2014 May 1;134(5):651-6. Epub 2014 Feb 1.

Department for Orthopaedics and Orthopaedic Surgery, Vienna Medical School, AKH-Wien/Orthopädie, Währinger Gürtel 18-20, 1090, Vienna, Austria,

Introduction: During arthroscopy, the localization of calcific deposit in patients suffering from calcifying tendinitis can be demanding and time consuming, frequently using ionizing radiation. Intraoperative ultrasound has been recently promoted, facilitating deposit localization and reducing radiation dose.

Material And Methods: In this prospective, randomized, controlled and clinical observer-blinded pilot trial, 20 patients with calcific tendinitis were operated. Read More

Emerg Med J 2015 Jul 15;32(7):582-3. Epub 2014 Jan 15.

Shoulder & Elbow Unit, University Hospital of South Manchester, Wythenshawe, Manchester, UK.

Musculoskelet Surg 2013 Jun 21;97 Suppl 1:49-56. Epub 2013 Apr 21.

Unit of Shoulder and Elbow Surgery, D. Cervesi Hospital, Via L. V. Beethowen 46, Cattolica, Italy.

Background: Rotator cuff (RC) tendinopathy is a common cause of pain and shoulder dysfunction. The literature evidence suggests that a combination of overuse and extrinsic compression may induce chronic RC tendinopathy. Aim of the current study was to compare the results of subacromial sodium hyaluronate injections with rehabilitation therapy. Read More

Eur Spine J 2013 Jul 21;22(7):1558-63. Epub 2013 Apr 21.

Department of Orthopaedic and Traumatology, Sapienza University of Rome, Rome, Italy.

Purpose: Objective of this study is to evaluate the diagnostic values of the Arm Squeeze Test. The test consists in squeezing the middle third of the upper arm.

Methods: 1,567 patients were included in this study. Read More

Case Rep Orthop 2012 24;2012:806769. Epub 2012 Mar 24.

Department of Orthopedic Surgery, Kurume University Medical Center, 155 Kokubu-machi, Kurume, Fukuoka 839-0863, Japan.

Few case reports have described the surgical treatment of calcifying tendonitis of the subscapularis tendon. We present a case of symptomatic diffuse calcifying tendonitis involving the subscapularis and infraspinatus insertions that was difficult to detect arthroscopically. The patient was treated with arthroscopic incision of the tendinous insertions thorough removal of the calcific deposits and subsequent repair using a suture-anchor technique. Read More

Int J Shoulder Surg 2012 Jul;6(3):97-8

Reading Shoulder Unit, Royal Berkshire Hospital, Reading, UK.

A new technical tip for the improvement of the arthroscopic treatment of symptomatic calcifying tendinitis is described. Arthroscopic excision of calcifying tendonitis may result with multiple minute calcific debris in the subacromial bursa, causing severe post operative pain due to chemical irritation of the bursa. We suggest the use of a bladeless shaver barrel as a "Hoover" (vacuum cleaner) for arthroscopic clearance of these miniature calcific debris from the subacromial space after resection of the major deposits. Read More

J Am Anim Hosp Assoc 2012 Nov-Dec;48(6):405-10. Epub 2012 Oct 1.

Department of Veterinary Medicine, Pampa Federal University, Uruguaiana, Brazil.

Supraspinatus calcifying tendinosis is an uncommon finding in dogs. Although its radiographic appearance has been described previously, radiographs alone do not provide detailed information about the tendon parenchyma. Tendon ultrasonography has been widely applied for the diagnosis of human tendinosis, but it remains underused in dogs. Read More

Rev Bras Ortop 2012 Jul-Aug;47(4):479-82. Epub 2015 Dec 8.

Head of the Department of Orthopedics and Traumatology, Federal University of São Paulo (Unifesp), São Paulo, SP, Brazil.

Objective: To evaluate the relationship between cases of calcifying tendinopathy of the shoulder and symptomatic metabolic diseases such as kidney stones, gallstones and gout.

Methods: Calcifying tendinopathy of the shoulder was diagnosed in 63 patients between May 2007 and September 2011. All the patients were treated by the same orthopedic surgeon and were interviewed to gather the following data: age at diagnosis, sex, affected side, dominant side, body mass index (BMI), smoking status and previous histories of kidney stones, gallstones or gout. Read More

Phys Ther 2012 Nov 28;92(11):1376-85. Epub 2012 Jun 28.

Physical Medicine and Rehabilitation Unit, Azienda Policlinico Umberto I, School of Medicine, "La Sapienza" University of Rome, Rome, Italy.

Background: Extracorporeal shock-wave therapy (ESWT) represents a valid intervention in the treatment of people with supraspinatus calcifying tendinitis (SCT), but there is limited evidence for the useful range of ESWT doses.

Objective: The aim of this study was to compare 2 different ranges of energy flux density in treatment of SCT with ESWT.

Design: This study was designed as a single-blind randomized clinical trial. Read More

BMC Musculoskelet Disord 2012 Jun 6;13:86. Epub 2012 Jun 6.

Department of Orthopaedic and Trauma Surgery, Magna Græcia University, V.le Europa88100, Catanzaro, Italy.

Background: There is evidence supporting the use of extracorporeal shock wave therapy (ESWT) in calcific tendinopathy of the rotator cuff, but the best current evidence does not support its use in non-calcifying tendinopathy. We conducted a randomized placebo-controlled trial to investigate the efficacy and safety of low energy ESWT for non-calcifying tendinopathy of the rotator cuff.

Methods: 20 patients with non-calcifying supraspinatus tendinopathy (NCST) were randomized to an active or a sham treatment group. Read More

Acupunct Med 2012 Jun 25;30(2):142-3. Epub 2012 Apr 25.

Branch of Chinese Medicine, Taipei City Hospital, Taiwan.

The case is presented of a 68-year-old man with calcifying tendonitis involving the lateral part of the gluteus medius. The presenting symptoms were chronic pain in the posterolateral region of the right hip and limitation of movement of the right hip. The patient was treated with acupuncture and small needle scalpel therapy. Read More

Am J Sports Med 2012 Mar 8;40(3):657-61. Epub 2011 Dec 8.

Department of Orthopedic Surgery, University of Muenster, Muenster, Germany.

Background: Calcifying tendinitis is a common and painful disorder of the shoulder characterized by the presence of calcific deposits in the tendons of the rotator cuff. When nonoperative treatment over a prolonged period of time fails, surgical treatment should be considered. Midterm success rates are inconsistent, and the role of subacromial decompression is still unclear. Read More

Knee Surg Sports Traumatol Arthrosc 2012 Feb 10;20(2):368-72. Epub 2011 Jun 10.

Department of Shoulder and Elbow Surgery, ATOS Clinic Heidelberg, Heidelberg, Germany.

Purpose: To evaluate the relationship of a large acromion index and calcifying tendinitis of the supraspinatus tendon at the shoulder.

Materials And Methods: Between 2002 and 2008, 109 consecutive patients with isolated calcifying tendinitis of the supraspinatus tendon were prospectively analysed by clinical investigation and standardized radiographs. Deposit size and appearance were measured and classified according to Bosworth and Gartner. Read More

MMW Fortschr Med 2011 Feb;153(8):33-4

Radiologia 2011 Jul-Aug;53(4):364-7. Epub 2011 May 6.

Servicio de Radiología, Hospital General Universitario Gregorio Marañón, Madrid, España.

Calcifying tendinosis is characterized by macroscopic deposits of hydroxyapatite within the tendon. Most cases involve the tendons of the rotator cuff, fundamentally the supraspinous tendon, and less frequently other tendons in practically any location. Cortical erosion with intraosseous migration of calcium deposits is rare. Read More

J Orthop Res 2011 Jun 23;29(6):816-21. Epub 2010 Dec 23.

Department of Orthopaedics and Traumatology, The Chinese University of Hong Kong, Hong Kong SAR, China.

Chondrocytes phenotype/markers were expressed in clinical samples of tendinopathy and calcifying tendinopathy. This study examined the spatial-temporal expression of chondro-osteogenic Bone Morphogenetic Proteins (BMPs), which might contribute to ectopic chondro-osteogenesis and failed healing process in tendinopathy. Collagenase was injected into patellar tendon of rats to induce ossified failed tendon healing. Read More

Clin Rehabil 2011 Aug 20;25(8):731-9. Epub 2011 Apr 20.

Center for Sports Rehabilitation, IRCCS Galeazzi Orthopedics Institute, Milan, Italy.

Objective: To generate data on optimal shoulder position comparing two ultrasound-guided extracorporeal shock wave therapy techniques for the treatment of calcifying tendinitis of the shoulder.

Design: Random assignment to two groups of treatment with three months follow-up.

Setting: The data were collected in outpatients. Read More

Knee Surg Sports Traumatol Arthrosc 2011 Dec 23;19(12):2085-9. Epub 2011 Mar 23.

Department for Pediatric Orthopaedics, Orthopaedic Hospital Speising, Speisinger Strasse 109, 1130, Vienna, Austria.

Purpose: Strategies for extracorporeal shockwave therapy in calcifying tendinitis of the rotator cuff vary concerning quantity of sessions and doses. The purpose of this prospective pilot study was to determine the difference between the outcome of a single high-dosage extracorporeal shockwave therapy and two sessions of low-dosage extracorporeal shockwave therapy.

Methods: This study compared a single high-level middle-energetic extracorporeal shockwave therapy (0. Read More

Chin Med J (Engl) 2011 Feb;124(4):606-10

Department of Orthopaedics and Traumatology, Faculty of Medicine, Chinese University of Hong Kong, Hong Kong SAR, China.

Calcifying tendinopathy is a tendon disorder with calcium deposits in the mid-substance presented with chronic activity-related pain, tenderness, local edema and various degrees of incapacitation. Most of current treatments are neither effective nor evidence-based because its underlying pathogenesis is poorly understood and treatment is usually symptomatic. Understanding the pathogenesis of calcifying tendinopathy is essential for its effective evidence-based management. Read More

Arch Orthop Trauma Surg 2011 Mar 20;131(3):325-9. Epub 2011 Jan 20.

Department of Orthopaedic Surgery, University of Ulm, Oberer Eselsberg 45, 89081, Ulm, Germany.

Introduction: Intraarticular pathologies are a common finding during arthroscopy for rotator cuff lesions. Both rotator cuff tears as well as cartilage lesions have been described as correlating with the acromion index.

Methods: In the current study, we aimed to determine the incidence of intraarticular lesions in calcifying tendinitis, to compare the incidence in patients with partial- and full-thickness tears of the rotator cuff, and to determine the acromion index in these groups. Read More

J Orthop Res 2011 Mar 29;29(3):390-6. Epub 2010 Sep 29.

Faculty of Medicine, Department of Orthopaedics and Traumatology, The Chinese University of Hong Kong, Hong Kong SAR, China.

This study aimed to investigate the effect of repetitive tensile loading on the expression of BMP-2 and the effect of BMP-2 on the osteogenic differentiation of tendon-derived stem cells (TDSCs) in vitro. Repetitive stretching was applied to TDSCs isolated from rat patellar tendon at 0%, 4%, and 8%, 0.5 Hz. Read More

Arch Phys Med Rehabil 2010 Oct;91(10):1616-25

Department of General Practice, Maastricht University, The Netherlands.

Objective: To determine the diagnostic accuracy of ultrasound for detecting subacromial disorders in patients presenting in primary and secondary care settings.

Data Sources: Medline and Embase were searched on June 9, 2010. In addition, the reference list of 1 systematic review and all included articles were searched to identify relevant studies. Read More

Ultrasound Med Biol 2010 Nov 26;36(11):1792-6. Epub 2010 Sep 26.

Institute of Biomedical Engineering, College of Engineering, National Taiwan University, Taipei, Taiwan.

It is still unclear whether diabetic mellitus (DM) is associated with rotator cuff lesions. The object of this retrospective study was to compare the ultrasonographic (US) findings of rotator cuffs in diabetic patients with those of nondiabetic patients with chronic shoulder pain. In total, 419 patients (80 diabetic, 339 nondiabetic) who had chronic shoulder pain and had been referred to receive US examination between January 2005 and January 2008 in a medical center were included in this study. Read More

Arch Orthop Trauma Surg 2011 Mar 17;131(3):353-5. Epub 2010 Sep 17.

Department of Orthopedic and Trauma Surgery, HELIOS-Rosmann Klinik Breisach, Zeppelinstraße 37, 79206, Breisach, Germany.

The identification of a calcific deposit in the rotator cuff can often cause difficulties. A new technique is described to identify the calcific deposit perioperatively with a ultrasound-guided wire. The technique allows a safe direct marking of calcific deposits making the procedure faster especially in difficult cases. Read More