Hydatid Cyst in Humerus- A Rare Case Report

Abstract

Hydatid disease is caused by ingestion of eggs of Echinococcus species and formation of cyst in organs where the parasite larvae are deposited. E.granulosus, a cestode commonly causes hydatid disease in humans. This case report highlights an unusual presentation of the hydatid cyst. The authors hereby, present a case of 37-year-old male patient with discharging sinus over left upper arm since 13 days along with complain of pain and swelling over left upper arm since 5 years which gradually increased. Laboratory analysis was performed and the patient underwent Ultrasonography (USG) and Magnetic Resonance Imaging (MRI) studies. Histopathological examination confirmed the diagnosis as hydatid cyst. Extensive curettage was done and postoperative albendazole was given. Ossesous hydatid disease, a rare diagnosis, should be included in the differential diagnosis for cystic lytic lesions of bone. To the best of our knowledge, not more than handful of cases of hydatid disease of the humerus has been reported in our country, making this a rare case report.