A supernumerary ovary is a rare gynecological anomaly, and is usually excised due to its malignant transformation potential. We report a case of a supernumerary ovary and endometriosis situated on the anterior rectosigmoid colon. When laparoscopy was conducted, a firm, 5-cm mass was discovered on the anterior rectosigmoid colon along with normal ovaries. In this case, the discovery of a supernumerary ovary implied the presence of endometriosis. It is unusual for endometriosis and a supernumerary ovary to exist simultaneously.
Colon* ; Endometriosis* ; Female ; Laparoscopy ; Ovary*

Intravenous leiomyomatosis (IVL) is rare and it is characterized by intravascular nodular masses of histologically benign smooth muscle that may extend along the inferior vena cava or reaching the right-sided cardiac chamber, and eventually the lung. Although histologically benign, IVL might be malignant in its mode of behavior. We report a case of IVL that grew in a vessel of myometrium of uteri.
Animals ; Female ; Leiomyomatosis* ; Lung ; Mice ; Muscle, Smooth ; Myometrium ; Uterus ; Vena Cava, Inferior