Lumbosacral nerve plexus compression by ovarian-fallopian cysts.

A 43 year old woman presented with a 10 month history of pain, progressive weakness and wasting of the left calf. Electromyography demonstrated denervation at the level of the lumbosacral plexus, particularly of its sciatic component. CT and ultrasound examination revealed intrapelvic cysts which were confirmed on surgical exploration to be fallopian and ovarian cysts.