Table of Contents
Scholarly Research Exchange
Volume 2008, Article ID 430531, 3 pages
Case Report

Serum False-Positive Botulism in Guillain-Barré Syndrome

1Department of Neurology, Taipei Veterans General Hospital, 201, Section 2, Shih-Pai Road, 112 Taipei, Taiwan
2Department of Neurology, National Yang-Ming University School of Medicine, 155, Section 2, Linong Street, Taipei 112, Taiwan

Received 9 August 2008; Revised 22 September 2008; Accepted 30 September 2008

Copyright © 2008 Yen-Chi Yeh et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


A 30-year-old man of Guillain-Barré syndrome (GBS) had atypical descending weakness and history of exposure to expired canned meat, which caused confusion with botulism. His serum showed false-positive botulism type B by the standard mouse bioassay. The diagnosis of axonal GBS was based on clinical and electrophysiological evidence. This report highlights the fact that GBS can present descending weakness and serum false-positive botulism.