Most patients have one such cyst.
Hepatic cysts may exist as long as 20 years before becoming large enough to be visible or cause pressure-related problems such as pain, nausea, cirrhosis, and other manifestations of liver disease. Pulmonary cysts also may grow for many years before causing dyspnea, cough, or hemoptysis. Cysts in the brain produce problems consistent with a slow-growing space occupying lesion. Surgical excision of the cyst remains the treatment of choice. Immunodiagnosis of human hytadid disease.