Authors

10.22034/ijos.2020.121050

Abstract

Primary hydatid cyst of the muscle is so rare that it would not usually be considered in the differential diagnosis of soft tissue tumor even in endemic regions. A 40 year old male presented with a swelling and increscent pain following a pressure mass in the right arm. Diagnosis is suspected according to clinical symptoms and pathognomic but rare imaging findings of hydatid disease including "water lily sign".

Keywords