UTERINE FIBROMA, SONOGRAPHY. UTERINE FIBROMA, SONOGRAPHY A uterine fibroma is a benign tumor which develops in connective tissue. Here a fibroma has developed in the muscular wall of the uterus. Situated deep in the muscle layer, this is an interstitial fibroma. Fibromas generally cause menstrual disorders and sometimes vaginal bleeding. Surgical treatment (ablation) should be performed. This image was obtained with a transvaginal probe used to obtain an ultrasound representation of the fibro