Hydatid cyst presented as pulmonary stenosis

ABSTRACT

A 27-years-old woman, presented with progressive dyspnea on exertion and chest pain. Transthoracic echocardiography revealed severe pulmonary stenosis. Her transsophageal echocardiography [TEE] showed a single, large, well-defined thin wall cystic mass with pressure on the main pulmonary artery at the level of pulmonic valve that caused severe pulmonary stenosis. Computed tomography [CT] scan of chest and abdomen confirmed presence of hydatid cyst in mediastinum and liver. Serologic test using Eliza was positive for echinococcal infection. Albendazol was started for the patient and she was referred to surgeon for resection of cystic mass but the patient refused the operation