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CASE REPORT
Small cell osteosarcoma of the parietal region: a unique case at an unusual site
  1. Shipra Agarwal1,
  2. Gaurav P S Gahlot1,
  3. Ashu Bhalla2,
  4. Sameer Bakhshi3
  1. 1Department of Pathology, All India Institute of Medical Sciences, New Delhi, India
  2. 2Department of Radiodiagnosis, All India Institute of Medical Sciences, New Delhi, India
  3. 3Department of Medical Oncology, Dr. B. R. A. Institute Rotary Cancer Hospital, All India Institute of Medical Sciences, New Delhi, India
  1. Correspondence to Dr Shipra Agarwal, drshipra0902{at}gmail.com

Summary

Small cell osteosarcoma is a rare tumour that histologically mimics Ewing sarcoma, mesenchymal chondrosarcoma and lymphoma, the presence of osteoid being diagnostic. This variant needs different management protocol, being non-radiosensitive and behaving more aggressively than conventional osteosarcoma. The aim of this article is to highlight such an entity at an unusual site—the parietal region—with unique diagnostic, treatment and prognostic considerations in a 16-year-old girl.

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