Co-incidence of Fibrosarcoma and Esophagus Squamous Cell Carcinoma; A Case of Synchronous Second Primary Neoplasm

Abstract

Fibrosarcoma is one of the least common primary malignant tumors of skeleto-formative tissue, compare to osteogenic sarcoma and chondrosarcoma .It is defined as a highly malignant mesenchymal tumor originating from hyper-proliferating, transformed and spindle-shaped fibroblasts.Esophageal cancer is the sixth leading causes of cancer-related mortality according to WHO report .There many different risk factors for these two distinct type of cancers which are not related to each other.This case report describes co-incidence of SCC and fibrosarcoma as rare malignancies, in a Turkish 40-year old man living in suburban of Tehran.