title: Intracardiac ectopic thyroid.
abstract: The case of a patient with an intracardiac ectopic thyroid is reported. A lesion was found in a 25-year-old man and was diagnosed by two-dimensional echocardiography as a right intraventricular tumor. An operation was performed. Histologic and ultrastructural studies showed that the tumor was a thyroid mass. The origin of intracardiac ectopic thyroids is probably to be found in disturbances occurring early in embryogenesis.
mesh_terms: D000328:Adult; D002828:Choristoma / Q000473:pathology* / Q000648:ultrastructure; D006338:Heart Neoplasms / Q000473:pathology* / Q000648:ultrastructure; D006801:Humans; D008297:Male; D009940:Organoids / Q000473:pathology; D013961:Thyroid Gland / Q000473:pathology