345 results match your criteria Unicameral Bone Cyst


Benign Osseous Tumors and Tumor-Like Conditions.

Semin Ultrasound CT MR 2021 Apr 29;42(2):150-163. Epub 2020 Aug 29.

Department of Musculoskeletal Imaging, The University of Texas MD Anderson Cancer Center, Houston, TX.

We will provide an imaging-focused discussion of 3 benign bone tumors that do not fit in the categories of cartilaginous tumors or osteoid tumors. We have chosen giant cell tumor of bone, unicameral bone cyst, and fibrous dysplasia. All 3 of these entities are common enough that one does not have to be a musculoskeletal radiologist in a cancer hospital to encounter them occasionally, but none of them should be seen frequently. Read More

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Open Curettage With Bone Augmentation for Symptomatic Tumors and Tumor-like Lesions of Calcaneus: A Comparison of Bioactive Glass Versus Allogeneic Bone.

J Foot Ankle Surg 2021 Mar 9. Epub 2021 Mar 9.

Chief Physician, Department of Orthopaedics, the First Hospital of China Medical University, Shenyang, Liaoning, China. Electronic address:

Few studies have characterized the clinical outcomes of 45S5 Bioglass® applied as a bone graft to that of allogeneic bone applied in calcaneal open curettage. Therefore, the purpose of the present investigation was to compare the outcomes of patients with calcaneal tumors and tumor-like lesions treated by open curettage with 45S5 Bioglass® or allogeneic bone. Of the 31 patients who underwent open curettage (18 cases of unicameral bone cysts, 7 cases of aneurysmal bone cysts, and 6 cases of intraosseous lipoma), 16 (52%) received grafts with 45S5 Bioglass® and 15 (48%) with allogeneic bone. Read More

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Case Report: First Evidence of a Benign Bone Cyst in an Adult Teckel Dog Treated With Shark Teeth-Derived Bioapatites.

Front Vet Sci 2021 22;8:626992. Epub 2021 Feb 22.

New Materials Group, Department of Applied Physics, Galicia Sur Health Research Institute (IISGS), Universidade de Vigo, Vigo, Spain.

Bone cysts are a very rare orthopedic pathology in veterinary medicine, the general prevalence of which is unknown. A unicameral bone cyst was diagnosed in an adult female Teckel dog with a limp that was treated surgically by filling the defect with marine bioapatites. The treatment was effective and at 8 weeks the defect had remodeled 50. Read More

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February 2021

Elastic intramedullary nailing combined with methylprednisolone acetate injection for treatment of unicameral bone cysts in children: a retrospective study.

J Child Orthop 2021 Feb;15(1):55-62

Department of Traumatology, Chongqing Key Laboratory of Pediatrics, Ministry of Education Key Laboratory of Child Development and Disorders, National Clinical Research Center for Child Health and Disorders; China International Science and Technology Cooperation Base of Child Development and Critical Disorders, The Children's Hospital of Chongqing Medical University, Chongqing, China.

Purpose: The aetiology of unicameral bone cysts (UBCs) is unclear. This study aims to evaluate the feasibility of elastic intramedullary nailing (EIN) combined with injections of methylprednisolone acetate (MPA) for the treatment of UBCs in children.

Methods: We retrospectively analyzed 53 children with UBCs in our hospital between January 2010 and April 2016. Read More

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February 2021

Outcomes in Unicameral Bone Cyst Management Utilizing a Decision Tree Algorithm Approach.

Z Orthop Unfall 2021 Feb 18. Epub 2021 Feb 18.

Orthopedics, Rady Children's Hospital San Diego, San Diego, California, United States.

Objective: To determine if utilization of a decision tree algorithm could improve the healing rate of unicameral bone cysts (UBCs).

Methods: Creation of the decision tree algorithm was based on previous literature and assessment of our clinical practice. Demographic, treatment, and radiographic data were collected retrospectively. Read More

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February 2021

Pediatric Tumor Management: Current and Controversial.

Instr Course Lect 2021 ;70:453-464

Bone and soft-tissue tumors are common in the pediatric population. It is important to be familiar with the appropriate workup, principles of biopsy, differences between unicameral and aneurysmal bone cysts, and principles of managing pathologic fractures in children. The management approach to pediatric soft-tissue masses and some of the recent advances in the field warrant discussion. Read More

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January 2021

Comparison of three treatment methods for simple bone cyst in children.

BMC Musculoskelet Disord 2021 Jan 12;22(1):73. Epub 2021 Jan 12.

Department of Orthopaedics, Chinese PLA General Hospital, Beijing, 100853, China.

Background: The unicameral bone cyst (UBC) is a kind of benign tumor whose clinical treatments and efficacy are controversial. The purpose of this study was to evaluate the efficacy of the elastic stable intramedullary nail (ESIN), the injection of autologous bone marrow (ABM), and the combination of ESIN and ABM in the treatment of bone cyst in children.

Methods: Eighty-three cases with simple bone cyst were analyzed retrospectively. Read More

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January 2021

Identification of EWSR1-NFATC2 fusion in simple bone cysts.

Histopathology 2021 May 16;78(6):849-856. Epub 2021 Mar 16.

Department of Pathology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA.

Aims: Simple bone cysts are benign intramedullary tumours primarily involving the long bones in skeletally immature individuals. Several mechanisms have been proposed for their pathogenesis. Although the diagnosis is typically straightforward, the interpretation can be problematic, because of superimposed fracture causing them to resemble aneurysmal bone cysts and other tumours. Read More

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Simple bone cyst of the hyoid: A radiological diagnosis and follow-up.

Dent Med Probl 2020 Jul-Sep;57(3):333-337

Department of Radiology, Hacettepe University, Ankara, Turkey.

Simple bone cyst (SBC), also known as unicameral bone cyst, is a benign, fluid-filled cystic lesion that mainly appears in the long bones of young patients. Simple bone cysts are considered dysplastic or reactive lesions of bone. The most common locations for SBCs are the proximal humerus and femur. Read More

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January 2021

Synthetic Bone Graft Substitute for Treatment of Unicameral Bone Cysts.

J Pediatr Orthop 2021 Jan;41(1):e60-e66

Dell Medical School, The University of Texas at Austin, Austin, TX.

Background: Treatments for unicameral bone cysts (UBCs) have high documented failure rates (27% to 63%) because of recurrence or persistence of the cyst, similar to nonoperative management. Recent evidence suggests that filling of the defect with a synthetic bone graft substitute (SBGS) supports the weakened cortex and promotes new bone growth. A calcium sulfate, brushite, calcium phosphate, composite graft material (PRODENSE, Wright Medical, Memphis, TN) has been evaluated as a substitute for autogenous or allogenous graft in animal and human studies. Read More

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January 2021

Evaluation of immediate and delayed surgery for pathological fracture due to unicameral bone cysts in children.

J Child Orthop 2020 Aug;14(4):335-342

Department II of Orthopedics; Chongqing Key Laboratory of Pediatrics, Ministry of Education Key Laboratory of Child Development and Disorders; National Clinical Research Center for Child Health and Disorders; China International Science and Technology Cooperation Base of Child Development and Critical Disorders; Children's Hospital of Chongqing Medical University, Chongqing, China.

Purpose: Unicameral bone cysts (UBCs) are most often found when accompanied by a pathological fracture. In these cases, the doctor must determine the optimal timing for the surgery. The purpose of this study was to evaluate the outcome of immediate surgery as compared with delayed surgery in paediatric pathological fractures due to UBCs. Read More

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Pediatric physeal slide-traction plate fixation for pathological distal femoral fracture caused by unicameral bone cyst in adolescents.

BMC Musculoskelet Disord 2020 Jul 29;21(1):503. Epub 2020 Jul 29.

Department of Orthopaedic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China.

Background: Most patients suffering from distal femoral unicameral bone cysts (UBCs) are adolescents that require an early return to normal activities, including school attendance and sports exercises. However, the optimal choice of implants for such patients remains controversial. This study evaluated the application of pediatric physeal slide-traction plate (PPSP) in the treatment of pathological distal femoral fracture caused by UBCs. Read More

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Biologic osteosynthesis in the treatment of benign and malignant bone tumors.

J Surg Oncol 2020 Jun 17. Epub 2020 Jun 17.

Department of Orthopaedic Surgery, Musculoskeletal Oncology Service, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts.

Background And Objectives: Mechanical augmentation with metal implants in the treatment of bone tumors limits magnetic resonance imaging and computerized tomography scan imaging due to the scattering effect. In addition, modulus of elasticity differences may cause chronic pain. We present a surgical technique in which cortical allografts are used as plates. Read More

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Injectable calcium sulfate vs mixed bone graft of autologous iliac bone and allogeneic bone: Which is the better bone graft material for unicameral bone cyst in humerus?

Medicine (Baltimore) 2020 Jun;99(23):e20563

Department of Orthopaedic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.

Unicameral bone cyst (UBC) is a benign fluid-filled lesion, mainly located in the metaphyses of long bones in children and adolescents. Elastic stable intramedullary nail (ESIN) is adopted in our institute for UBCs since 2010, and bone grafting was performed simultaneously. This study aims to evaluate the efficacy of ESIN decompression combined with different bone graft materials. Read More

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Treatment of simple bone cyst with bone marrow concentrate and equine-derived demineralized bone matrix injection versus methylprednisolone acetate injections: A retrospective comparative study.

Acta Orthop Traumatol Turc 2020 Jan;54(1):49-58

Department of Biomedical Sciences for Health, IRCCS Istituto Ortopedico Galeazzi, Milano, Italy.

Objective: The aim of this study was to compare the outcome of intra-lesional autologous bone marrow concentrate (BMC) and equine derived demineralized bone matrix (EDDBM) injections with methylprednisolone acetate injections in patients with simple bone cyst.

Methods: Clinical records and radiographs of 53 consecutive patients (37 females,and 16 males; mean age: 10.6±1. Read More

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January 2020

Hydatid disease of proximal femur treated using a mega prosthesis: A case report.

Int J Surg Case Rep 2020 6;68:67-73. Epub 2020 Feb 6.

Department of Orthopaedic Surgery and Traumatology, Military Hospital of Instruction of Tunis, Tunisia. Electronic address:

Introduction: Bone hydatidosis is a rare disease. It is characterised by discreet and nonspecific symptomatology that makes the diagnosis late and the treatment difficult to manage.

Presentation Of Case: We report the case of a 29-year-old woman hospitalised for right hip pain with a lytic image well limited in the upper extremity of the right femur. Read More

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February 2020

Excisional Curettage of Benign Cystic Lesions.

JBJS Essent Surg Tech 2019 Jul-Sep;9(3):e24. Epub 2019 Jul 10.

Department of Orthopaedics and Rehabilitation, Yale New Haven Hospital, New Haven, Connecticut.

There are many treatment modalities for benign cystic lesions of bone, but all methods, except for total resection, are plagued with varying rates of recurrence. Thorough curettage with the use of a high-speed burr, however, has demonstrated a low recurrence rate of 12% and has been suggested to be the best method for the treatment of benign cystic lesions. Approximately 90% of aneurysmal bone cysts can be controlled adequately with this treatment alone. Read More

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TREATMENT OF UNICAMERAL BONE CYSTS IN CHILDREN: A COMPARATIVE STUDY.

Acta Clin Croat 2019 Sep;58(3):403-409

1University Children's Hospital, Belgrade, Serbia; 2Faculty of Medicine, University of Belgrade, Belgrade, Serbia;3Department of Orthopedic Surgery, Sveti Duh University Hospital, Zagreb, Croatia; 4Faculty of Kinesiology, University of Zagreb, Zagreb, Croatia; 5Department of ENT and Head and Neck Surgery, Sveti Duh University Hospital, Zagreb, Croatia; 6Department of Traumatology, Sestre milosrdnice University Hospital Centre, Zagreb, Croatia.

Unicameral bone cysts (UBC) are benign bone tumor-like lesions. Mostly they are located in the metaphyseal-diaphyseal region of long bones in children and adolescents. The etiology of UBC is still unclear. Read More

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September 2019

Unicameral bone cyst in the pelvis: report of a case treated by placement of screws made from a composite of unsintered hydroxyapatite particles and poly-l-lactide.

Rare Tumors 2019 12;11:2036361319895075. Epub 2019 Dec 12.

Department of Orthopaedic Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan.

Unicameral bone cysts are fluid-filled benign lesions that occur mostly in the long bones. Unicameral bone cysts in the pelvis are extremely rare. Continuous decompression using titanium or hydroxyapatite screws has been reported as a treatment. Read More

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December 2019

Calcium Sulfate/Calcium Phosphate Bone Void Filler in the Treatment of Bilateral Adolescent Unicameral Calcaneal Bone Cysts: 36-Month Follow-Up.

Authors:
Jeffrey C Karr

J Am Podiatr Med Assoc 2019 Sep;109(5):379-388

A 36-month follow-up of the management of bilateral adolescent unicameral bone cysts in a high school gymnast treated with a calcium sulfate/calcium phosphate (CSCP) bone void filler (BVF) is presented. The more developed left calcaneal cyst was managed with a traditional, open approach consisting of allogenic bone graft, CSCP BVF mixed with platelet-rich plasma. The less developed right calcaneal cyst was managed with a less used approach, a percutaneous bone cortex incision with only the CSCP BVF. Read More

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September 2019

Active unicameral bone cysts: control firstly, cure secondly.

J Orthop Surg Res 2019 Aug 28;14(1):275. Epub 2019 Aug 28.

Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, 410008, China.

Purpose: This retrospective study evaluated the efficacy of minimally invasive surgery to control cyst progression for active unicameral bone cysts (AUBC) by intracystic methylprednisolone injection, percutaneous curettage, and autogenous bone marrow grafting.

Methods: From May 2010 to May 2017, patients diagnosed with AUBC who underwent percutaneous double-needle intracystic methylprednisolone injection, percutaneous curettage, and autogenous bone marrow grafting were retrospectively reviewed. Recurrence was defined by modified Neer scale score. Read More

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Cartilage-sparing Arthroscopic Technique for Curettage and Bone Grafting of Cystic Lesion of Talus -A Case Report.

J Orthop Case Rep 2019 Jan-Feb;9(1):102-105

Department of Orthopaedics, Apollo Gleneagles Hospital, Kolkata, West Bengal, India.

Introduction: True cysts in talar body are extremely rare lesions and their treatment options are yet undefined. The standard of care for a large symptomatic talar bone cyst comprises debridement and bone grafting, often requiring extensive soft tissue dissection, damaging talar cartilage, and sometimes, malleolar osteotomy. Alternatively, an arthroscopic debridement of the cyst cavity with bone grafting may be performed, sparing talar cartilage. Read More

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Explanation of radiological signs and fracture indices in a unicameral bone cyst.

Indian J Radiol Imaging 2019 Jan-Mar;29(1):104-106

Department of Radiology, Holy Family Hospital, Thodupuzha, Kerala, India. E-mail:

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Inter-rater reliability of the radiographic assessment of simple bone cysts.

J Child Orthop 2019 Apr;13(2):226-235

Department of Surgery, The Hospital for Sick Children, Toronto, Ontario, Canada.

Purpose: To develop and evaluate the reliability of an explicit set of parameters and criteria for simple bone cysts (SBCs) and evaluate the reliability of single versus serial chronological reading methods.

Methods: Radiographic criteria were developed based on the literature and expert consensus. A single anteroposterior/lateral radiograph from 32 subjects with SBC were evaluated by three radiologists. Read More

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Current Trends and Variations in the Treatment of Unicameral Bone Cysts of the Humerus: A Survey of EPOS and POSNA Members.

J Pediatr Orthop 2020 Jan;40(1):e68-e76

Department of Orthopaedic Surgery, Children's Hospital Boston, Boston, MA.

Background: A variety of treatment methods have so far been described for unicameral bone cysts (UBC). However, to the best of our knowledge, no particular consensus has yet been reached on when to operatively treat a patient with a humeral UBC. Therefore, members of the European Pediatric Orthopedic Society (EPOS) and Pediatric Orthopedic Society of North America (POSNA) were surveyed to characterize current treatment preferences. Read More

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January 2020

Pathological Neck of Femur Fracture with Failed Osteosynthesis in Adolescent: A Report of Two Cases.

J Orthop Case Rep 2018 Nov-Dec;8(6):88-91

Department of Orthopaedics, Sri Sathya Sai Institute of Higher Medical Sciences, Prasanthigram, Puttaparthi, Andhra Pradesh, India.

Introduction: Non-union of the neck of femur fractures in adolescents is a complex problem, especially if there is an underlying pathology such as fibrous dysplasia or unicameral bone cyst. Treatment is challenging and needs careful selection of a combination of strategies.

Case Report: We present two such cases with a history of failed osteosynthesis with a sliding hip screw. Read More

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Free non-vascularized fibular graft reconstruction after resection of metacarpal unicameral bone cyst: A case report.

Mol Clin Oncol 2019 Mar 21;10(3):339-342. Epub 2019 Jan 21.

Department of Orthopaedics and Traumatology, Saiful Anwar Hospital, Brawijaya University, Malang, Jawa Timur 65112, Indonesia.

Unicameral bone cyst (UBC) or simple bone cyst (SBC) is a benign cystic lesion commonly found in the humerus and femur that is mainly encountered during childhood. The currently available treatments for UBC of the hand commonly involve curettage, bone grafting, partial resection with or without grafting, multiple drilling, fracture immobilization and observation alone, and steroid injection. We herein report a case treated with total resection of the cyst and non-vascularized fibular graft in a 9-year-old right-handed female patient. Read More

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Understanding Unicameral and Aneurysmal Bone Cysts.

Pediatr Rev 2019 Feb;40(2):51-59

St Christopher's Hospital for Children, Philadelphia, PA.

Bone cysts in the pediatric population are often found incidentally on radiographs or after a cyst has created cortical weakness leading to a pathologic fracture. Most bone cysts are benign, are pain free, and resolve spontaneously. The most common bone cyst is unicameral 1-chamber bone cyst, also known as simple bone cyst. Read More

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February 2019

Cranial vault unicameral bone cyst.

Br J Neurosurg 2020 Oct 29;34(5):500-501. Epub 2019 Jan 29.

Clinical Neuropathology, Kings College Hospital NHS Trust, London, UK.

Unicameral bone cysts (UBC), also known as simple bone cysts, are common benign bone lesions filled with fluid, primarily occurring in children and adolescents. Although they can develop in any bone, UBCs usually affect the long bones. A 53 year old male patient was found incidentally to have a calvarian lesion in the parietal region overlying the superior sagittal sinus (SSS) (Figure 1). Read More

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October 2020