T1 axial before and 5 months after surgery of a radial tunnel syndrome (= supinator syndrome). The postoperative examination was performed because of increasing weakness in the forearm. It shows a marked atrophy (purple arrows) and denervation edema (orange arrows) of the superficial part of the supinator muscle. Red arrows: Normal supinator muscle, superficial part. Green arrow: Normal supinator muscle, deep part. Blue arrow: Arcade of Frohse with deep branch of radial nerve.
Muscle atrophy after surgery urgery of a radial tunnel syndrome.
About the Author: W. Fischer
Wolfgang Fischer has been working as a specialized MSK radiologist for more than 20 years. He published the comprehensive textbooks "MRI-ESSENTIALS.COM" and the app MRI-ESSENTIALS. In this blog he informs about new literature and new MRI cases that are being incorporated into the app.