| hydatidoma | <tumour> A benign neoplasm in which there is prominent formation of hydatids. Origin: hydatid + G. -oma, tumour (05 Mar 2000) |
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| hydatidosis | A tissue infection by the larval stage of the Echinococcus granulosus worm. This disease is common in South America, the Middle East, Asia and Africa. Sporadic cases have been reported in the us. Infection occurs after ingestion of eggs in infected dog faeces. The infection is carried to the liver where cysts form. Cysts may also form in the lungs, bone, brain, kidney, muscles and spleen. Symptoms include abdominal pain, itching, cough, haemoptysis, chest pain and fever. Treatment includes the surgical removal of cysts from the tissue. (27 Sep 1997) |
| hydatidostomy | Surgical evacuation of a hydatid cyst. Origin: hydatid + G. Stoma, mouth (05 Mar 2000) |