Recurrent intramuscular lipoma at extensor pollicis brevis: A case report

Figure 4 Intraoperative photographs. A: The previous surgical scar was used, and an incision was applied along the run of the extensor pollicis brevis (EPB) to expose the lipomatous mass. A radial artery marked with yellow vessel loop and lipoma in the EPB tendon sheath marked with blue vessel loop were identified; B: Lipoma infiltrating into the muscle portion of EPB was removed while preserving the superficial radial nerve marked with yellow and red arrows.