title: Mediastinal teratoma presenting as a rapidly enlarging paracardial mass.
abstract: Mediastinal teratomas are usually found incidentally at chest x-ray. It is the purpose of this communication to describe a case of benign anterior mediastinal teratoma, which presented as a rapidly expanding paracardial mass in a young man.
mesh_terms: D000328:Adult; D006801:Humans; D008297:Male; D008479:Mediastinal Neoplasms / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000473:pathology; D013724:Teratoma / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000473:pathology; D014057:Tomography, X-Ray Computed