The patient was a 47-year-old woman who underwent total hysterectomy for ut
erine leiomyoma in 1994. Two years later. intracaval and intravenous tumors
were found by ultrasonic cardiography, magnetic resonance imaging, enhance
d chest computed tomography, and venography. The patient underwent total re
moval of these tumors. Pathological findings indicated that these tumors we
re leiomyomas. After comparing the present findings with those of similar c
ases in the literature, we concluded that our patient had intravenous leiom
yomatosis extending into the heart.