Trisomy 8 and trisomy 20 are nonrandom aberrations in desmoid tumors. The presence of these trisomies in related benign fibrous lesions of bone has not been previously addressed. In this study, 22 specimens from 19 patients diagnosed with desmoid tumor, desmoplastic fibroma, periosteal desmoid tumor, osteofibrous dysplasia, or fibrous dysplasia were examined by cytogenetic analysis of short-term cultures and bi-color fluorescence in situ hybridization of cytological touch preparations or paraffin-embedded tissue with centromeric probes for chromosomes 8 and 20. Trisomy 8 and trisomy 20 were detected by molecular cytogenetic methodologies in 15 specimens, including 10 primary bone lesions. Traditional cytogenetic analysis revealed trisomy 8 in two cases of osteofibrous dysplasia. Our findings demonstrate that trisomy 8 and trisomy 20 are also nonrandom aberrations in histologically similar, but clinically distinct, benign fibrous lesions of bone.
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http://dx.doi.org/10.1016/S0002-9440(10)65319-9 | DOI Listing |
J Am Acad Orthop Surg
November 2024
From the Department of Orthopedic Surgery, SUNY Upstate Medical University, Syracuse, NY (Albanese, Lynch, and Damron), and the Department of Orthopaedic Surgery, Virginia Commonwealth University, Richmond, VA (Eswaran).
Beyond enchondromas, the most common bone tumors of the hand, there are numerous less common benign bone tumors and mimickers with which orthopaedic and hand surgeons should be familiar. These include other benign cartilage tumors, cystic lesions, osteogenic tumors, giant cell tumor, and fibrous dysplasia. Particularly unique lesions include bizarre parosteal osteochondromatous proliferation (Nora lesion), florid reactive periostitis, turret exostosis (acquired osteochondroma), giant cell reparative granuloma (solid aneurysmal bone cyst), and epidermoid cyst.
View Article and Find Full Text PDFInt J Surg Case Rep
January 2025
University of Tunis El Manar, Tunis Faculty of Medicine, 1007, Tunisia; Department of Orthopedic Surgery, Hospital Mongi Slim La Marsa, Tunisia.
Introduction And Importance: Elastofibroma dorsi is a rare benign soft tissue lesion primarily located in the subscapular region. This distinctive lesion, with its unique radiological and histological features, poses diagnostic challenges due to its subtle presentation and overlap with other conditions.
Case Presentation: A 48-year-old man, manual laborer with an unremarkable medical history presented with a progressively enlarging mass below the right scapula over two years.
J Orthop Case Rep
January 2025
Department of Orthopaedics, Government Medical College and Hospital, Nagpur 43GW+CR2, Hanuman Nagar, Ajni Rd, Nagpur, Maharashtra 440003, India.
Introduction: Aneurysmal Bone Cyst (ABC) is a benign, non neoplastic, expansile lesion of bone characterized by channels of blood and spaces separated by fibrous septae. ABC of femoral head is an extremely rare condition and is difficult to treat as the surgical approach is a dilemma .
Case Report: We hereby report a case of aneurysmal bone cyst in femoral head of a 19 year old female patient.
J Med Case Rep
January 2025
Department of Clinical Medicine, Jining Medical University, Jining, China.
Background: Superficial acral fibromyxoma is a noncancerous, benign tumor of soft tissue with an unidentified origin. Occurrences of abnormalities on the palm are less frequently documented.
Case Report Presentation: A 47-year-old East Asian woman presented with a palm tumor on her left knuckle that had been present for 4 months.
Diagnostics (Basel)
January 2025
Department of Orthopedic Surgery, Interdisciplinary Graduate School of Medicine, University of Yamanashi, Chuo 409-3898, Yamanashi, Japan.
Angiomatoid fibrous histiocytoma (AFH) is a rare intermediate tumor that is often difficult to diagnose radiologically and pathologically. Herein, we report a case of AFH in the knee that was initially misdiagnosed as a cystic lesion. The tumor was first identified eight years earlier during the patient's initial visit, when plain magnetic resonance imaging (MRI) was performed, leading to a diagnosis of a cystic lesion.
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