Fig. 3

Intraoperative photographs. a The posterior interosseous nerve (posterior interosseous nerve, arrowhead) is compressed between the arcade of Frohse and the tumor (asterisk), and the posterior interosseous nerve is kinked at the corner of the tumor. b A white, cartilaginous tumor (asterisk) is shown after neurolysis of the posterior interosseous nerve (arrowhead) and incision of the capsule was performed. c The radial head and annular ligament are shown after tumor resection