Fig. 7From: Role of neuro-sonography of peripheral nerves as a diagnostic and a differentiation tool of amyotrophic lateral sclerosisShowing ultrasound image of median and ulnar nerves in different levels denoting atrophy in ALS patients. A Right median nerve in carpal tunnel. B Left ulnar nerve in forearm. C Left ulnar nerve in Guyon's canal. D Right median nerve in upper armBack to article page