Parietal wall hydatid cyst presenting as a primary lesion.

Hydatid cyst is the disease of liver and lungs and is common in some regions especially sheep rearing countries of the world, but this disease may occur in any part of world and anywhere in the body. This report presents primary hydatid cysts located in intramuscular region of left side of the abdomen. A 54-year-old female patient from central India, farmer by occupation, non vegetarian by diet came with chief complaints of a painless mass in the left iliac fossa, gradually increasing in size over a period of 6 months. Superficial ultrasound revealed a lesion resembling a hydatid cyst. Surgical excision was done without injuring the cyst. Diagnosis was confirmed on histo-pathological examination and was compatible with a hydatidcyst. Ahydatid cyst should be considered in the differential diagnosis of subcutaneouscystic lesions, it should be excised totally, with an intact wall and postoperative albendazole should be given to avoid recurrence.