title: Unsuspected mediastinal hematoma diagnosed by computed tomography.
abstract: A hemophiliac (factor VIII deficiency) was admitted with falling hematocrit after upper gastrointestinal bleeding. Computed tomography diagnosed a previously unsuspected large mediastinal hematoma. The use of CT in evaluating occult bleeding is discussed.
mesh_terms: D000328:Adult; D006471:Gastrointestinal Hemorrhage / Q000000981:diagnostic imaging / Q000209:etiology; D006406:Hematoma / Q000000981:diagnostic imaging* / Q000209:etiology; D006467:Hemophilia A / Q000150:complications; D006801:Humans; D008297:Male; D008477:Mediastinal Diseases / Q000000981:diagnostic imaging* / Q000209:etiology; D014057:Tomography, X-Ray Computed