The Motor Branch of the Median Nerve, a Rare Localization of
Case Report

The patient is a 57-year old right-handed woman, with no relevant family or personal history. She presented with a 2- year history of numbness and tingling of both hands, especially noted at night, with a recent weakness of the right hand and pain in the thenar eminence of the left one without motor weakness in the movement of thumb. Physical examination revealed positive Tinel’s test and Phalen’s sign and a painful little solid mass 0.5 cm in the left thenar eminence...