Transvaginal sonographic diagnosis of suspected tubal pregnancy and contralateral missing adnexa

A transvaginal sonographic (TVS) diagnosis of a tubal pregnancy and the absence of the contralateral fallopian tube and ovary are reported. To the best of our knowledge, no such pathological combination diagnosed by TVS has been reported previously. The identification of the tube and ovary by TVS and the meaning of an unvisualized ovary are reviewed briefly.