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Case Reports
. 2017;56(14):1903-1905.
doi: 10.2169/internalmedicine.56.7921. Epub 2017 Jul 15.

Delayed Polyneuropathy Induced by Organophosphate Poisoning

Shunsuke Kobayashi  1 , Reiko Okubo  2 , Yoshikazu Ugawa  1
Affiliations
Case Reports

Delayed Polyneuropathy Induced by Organophosphate Poisoning

Shunsuke Kobayashi et al. Intern Med. 2017.

Abstract

An 89-year-old man attempted suicide by ingesting a pesticide (trichlorfon). After surviving the initial critical period in the intensive care unit, he developed rapidly progressive distal weakness and sensory disturbance. Electrophysiological examinations revealed sensory motor axonal polyneuropathy. Delayed polyneuropathy is a rare manifestation of organophosphate poisoning. Nerve conduction studies play an important role in the diagnosis of this rare clinical condition.

Keywords: cholinergic syndrome; insecticide; nerve conduction study; neuropathy; neurotoxicology; poisoning.

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Figures

Figure.
Figure.
The electrophysiological test recordings. A: Harvey-Masland test at 3 Hz. The compound muscle action potential showed no waning after low-frequency ulnar nerve stimulation. B: Needle electromyography (EMG) of the biceps brachii in a resting condition. Abundant denervation potentials were detected.
See this image and copyright information in PMC

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