Noninvasive evaluation of hemophilic pseudotumor of the pelvis.

Hemophilic pseudotumors are a rare complication of chronic bleeding disorders. Invasive diagnostic procedures such as angiography, needle biopsy, or laparotomy carry a high risk in this group. Computerized tomography (CT) and ultrasound are safe alternative methods of evaluation. We report the computerized tomography and ultrasound characteristics of one such pelvic lesions.