Pulmonary endometriosis: Diagnosis with computed tomography and high resolution computed tomography (HRCT)

Pulmonary endometriosis is a rare cause of hemoptysis. The main manifestations are catamenial hemoptysis during the first days of the menses. A 29-year-old woman with 2-year history of hemoptysis during menstrual period underwent endometrial curettage in 1997 and had childbirth in 1998. Both computed tomography and high resolution computed tomography before and after menstruation showed peripheral nodular lesions 1.0-cm diameter with cavitary or bullous formation in both pulmonary parenchymas. The diagnosis was confirmed clinically. Symptoms disappeared absolute years follow up after hormone therapy.