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CASE REPORT

“Ewing's Sarcoma of Calcaneum” an Uncommon Tumor in an Unusual Site with Skip Metastasis: An Enigma


1 Department of Pathology, IMS and SUM Hospital, S'O'A (Deemed to be) University, Bhubaneswar, Odisha, India
2 Department of Radiology, IMS and SUM Hospital, S'O'A (Deemed to be) University, Bhubaneswar, Odisha, India

Correspondence Address:
Pranita Mohanty,
Department of Pathology, IMS and SUM Hospital, S'O'A (Deemed to be) University, Bhubaneswar - 751 003, Odisha
India
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/jmedsci.jmedsci_51_21

Ewing's sarcoma (EWS) is an uncommon primary malignant tumor of the bone, mostly affects 5–25 years of age with male predominance. Diaphysis of the long bone is usual site of origin with occasional extraskeletal extension. However, it is extremely rare (3%–5%) in the small bones of the hand and feet, hence often misinterpreted as osteomyelitis, aneurysmal bone cyst, giant cell tumor, cartilagenous tumor and osteosarcoma; delaying definitive treatment. Metastasis of calcaneal EWS is common, and prognosis is dismal. Multimodality treatment approach is the standard care rendered for it. Herein, we report such a case of EWS in a 12-year-old girl child at an unusual site of calcaneum with skip metastasis for which the diagnosis and treatment was deferred by 5 months. Only after histopathology and immunohistochemistry confirmation, the definitive chemotherapy was provided and surgery was scheduled after five cycles of chemotherapy. The patient is now on chemotherapy and followed up till today.


 

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    -  Mohanty P
    -  Hota A
    -  Govardhan T
    -  Mohapatra SS
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