Parovarian Cyst.

Parovarian Cyst.
A bi-lobed parovarian cyst is present in the left mesovarian. These cysts are mesonephric in origin. The left oviduct is distended with fluid due to an obstruction. In this case segmental aplasia of the oviduct is likely, in view of the presence of a bi-lobed mesonephric duct cyst suggesting multiple developmental anomalies.

Roberts SJ (1973)