Left ventricular hydatid cyst with myocardial infarction in a patient with severe rheumatic mitral stenosis.

Cardiac echinococcosis is rare, and the most serious of all hydatid infestations. We report a case of 30-year-old female who had a hydatid cyst, myocardial infarction and severe rheumatic mitral stenosis. Following mitral valvotomy, the hydatid cyst and the left ventricular aneurysm were totally excised under cardiopulmonary bypass. The patient was discharged on the post-operative day 15 with the advice to continue albendazole for 5 years.