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Benign Bone Tumors of the Hand: Beyond Enchondromas.
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 PDFOsteogenic sarcomas of the hands: A case series with emphasis in its peculiarities and literature review.
Pathol Res Pract
February 2023
IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy. Electronic address:
Aim: To present our experience on osteosarcomas of the hands and review the existing literature pertaining osteosarcomas in this extremely rare location.
Methods: and results: Seven cases of osteosarcomas of the hands were reviewed, and a literature search of all primary osteosarcomas of the hands was performed. All tumors occurred in adults (mean age, 41 years) and were located mainly around the metacarpophalangeal joints.
Bizarre Parosteal Osteochondromatous Proliferation (Nora's Lesion) of the Foot: A Case Report and Literature Review of Nora's Lesion of the Foot.
Cureus
April 2022
Orthopaedics and Traumatology, Istanbul Medeniyet University Göztepe Training and Research Hospital, Istanbul, TUR.
Bizarre parosteal osteochondromatous proliferation (BPOP) or Nora's lesion is a rare, benign, but locally aggressive tumor. We present a case of a 45-year-old patient with progressive swelling of his toe for four years, pain, and difficulty with shoe wear. The lesion was excised after adequate evaluation and the resection histopathology was compatible with Nora's lesion.
View Article and Find Full Text PDFParosteal Osteosarcoma of the Proximal Phalanx of a Finger.
J Hand Surg Am
July 2020
Department of Orthopaedicsa, Kalaburagi, Karnataka, India.
Osteogenic sarcoma of the hand is very rare and fewer than 50 cases have been reported. There are only 2 previously reported cases of parosteal osteosarcoma involving the phalanges. We report a primary parosteal osteosarcoma involving the proximal phalanx of the right middle finger in a 20-year-old woman, which was managed by ray amputation.
View Article and Find Full Text PDFPrimary extraskeletal osteosarcoma: a clinicopathological study of 18 cases focusing on MDM2 amplification status.
Hum Pathol
May 2017
Department of Pathology and Biological Responses, Nagoya University Graduate School of Medicine, Nagoya 466-8550, Japan.
Extraskeletal osteosarcoma (ESOS) is an uncommon malignant neoplasm. Most ESOSs are high grade, although some low-grade cases have been reported. A few cases of ESOS with MDM2 amplification have also been reported, suggesting some similarity to skeletal low-grade osteosarcoma such as parosteal osteosarcoma, where MDM2 is often amplified.
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