title: Ewing's sarcoma/ primitive neuro-ectoclermal tumour: a case report.
abstract: Ewing's sarcoma/primitive neuro-ectodermal tumour on medial end of the left clavicle is a rare site. Here is a case of 16-year-old female presented with gradually increasing swelling at medial end of clavicle, showing osteolytic lesion on x-ray and CT. Cytology showed features of Ewing's sarcoma, but histopathologically diagnosed as poorly differentiated small cell carcinoma. Marker study was carried out, and it confirmed Ewing's sarcoma. After 3 to 6 month of continuous therapy patient presented with axillary lymph node and skull vault metastasis, again a rare site for secondaries in Ewing's sarcoma.
authors: Department of Pathology, Shree MP Shah Medical College, Jamnagar.
authors: N J
authors: NJ
authors: Desai
authors: S B
authors: SB
authors: Upadhyay
authors: B
authors: B
authors: Mengar
authors: V
authors: V
authors: Bhanvadia
mesh_terms: D000293:Adolescent; D001859:Bone Neoplasms / Q000175:diagnosis* / Q000628:therapy; D002968:Clavicle; D005260:Female; D006801:Humans; D012512:Sarcoma, Ewing / Q000175:diagnosis* / Q000628:therapy