Ultrasonography of MADSAM neuropathy: Focal nerve enlargements at sites of existing and resolved conduction blocks. Scheidl E, Böhm J, Simó M, Rózsa C, Bereznai B, Kovács T, Arányi Z Neuromuscul Disord. 2012 Apr 16. PMID: 22513319. Abstract CommentRecommendBookmarkWatch