Case 1 epitheliod sarcoma in young female A Preoperative T1- weighted MRI-scan showing a tumor (white arrow) with diffuse infiltration into the ventral and dorsal part of the forearm-musculature including the extensor and flexor muscle compartment, the distal radius, the tendon of the extensor carpi radialis and the extensor pollicis longus muscle. The tendons are embedded in the tumor-mass. B Postoperative bone X-ray showing the free fibular graft inserted between radius fragments after removing the rigid external fixation device for stabilization (4 month after operation). C Postoperative result 6 month after grafting the free fibula. D Postoperative conventional bone X-ray showing the free fibular graft inserted between radius fragments.