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- Title
Osteosarcoma of the femur mimicking Ewing sarcoma/primitive neuroectodermal tumour on biopsy and metastatic carcinoma on resection.
- Authors
Jambhekar, Nirmala; Agarwal, Manish; Suryawanshi, Pallavi; Desai, Saral; Rekhi, Bharat; Gulia, Ashish; Puri, Ajay
- Abstract
Osteosarcoma (OS) is known to have several morphological appearances, small cell osteosarcoma and epithelioid osteosarcoma being two well recognized patterns. The former can be mistaken for a Ewing sarcoma/primitive neuroectodermal tumour (ES/PNET), whereas the latter mimics metastatic carcinoma. Herein we present an osteosarcoma in a 17-year-old girl that was diagnosed as an ES/PNET on biopsy; however, the resected specimen revealed a very unusual morphology mimicking a metastatic carcinoma with a sex cord stromal tumour-like pattern.
- Subjects
CASE studies; OSTEOSARCOMA; MORPHOLOGY; TUMORS; DIAGNOSTIC specimens
- Publication
Skeletal Radiology, 2012, Vol 41, Issue 9, p1163
- ISSN
0364-2348
- Publication type
Article
- DOI
10.1007/s00256-012-1406-5