Abstract
Primary hydatid disease of musculoskeletal system is rare. A 46 year old man presented with soft swelling in anterior aspect of thigh of two years duration which was gradually increasing in size. He was initially diagnosed as malignant spindle cell tumor of thigh, but ultrasonography and Commuted Tomography Scan revealed to be a cystic swelling suggestive of hydatid disease. Our patient had not been operated for hydatid disease previously and investigations did not reveal any hydatid cyst in liver, lung or spleen. So our patient was diagnosed having primary hydatid disease of musculoskeletal system. Serologic test (ELISA) was negative. Patient was given albendazole preoperatively. A careful management is required to prevent systemic dissemination and anaphylactic shock. The swelling was removed en bloc without causing damage to cyst wall and advised for adjunctive albendazole chemotherapy (15 mg/kg/day) for three months.Bangladesh Journal of Medical Science Vol.15(4) 2016 p.628-630
Highlights
Hydatid cysts predominantly involve the liver and lung with muscle tissue being the less preferred site for primary hydatidosis
The hydatid disease is caused by Echinococcus granulosus and multilocularis
There is primary location of hydatid cyst in liver, lung or spleen that has been operated or not operated. This patient had not been operated for hydatid disease previously and investigations did not reveal any hydatid cyst in liver, lung or spleen
Summary
Hydatid cysts predominantly involve the liver and lung with muscle tissue being the less preferred site for primary hydatidosis. The differential diagnosis in these cases must include malignant soft-tissue tumors such as myxoidliposarcoma, soft tissue abscesses, and chronic hematoma.[2]
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