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ABSTRACT: IntroductionThe neurological manifestations of Crohn's disease are rare, dominated by multiple mononeuropathies and the abnormalities of the white matter. Polyradiculoneurities remain exceptional.ObservationsWe report the case of a 33-year-old patient admitted for an ascending weakness of the four limb. Eight years earlier she had presented a similar episode which had regressed spontaneously. The neurological examination revealed a tetraparesis with areflexia and hypotonia. These manifestations were concomitant with chronic diarrhea which had been neglected to date. The electrophysiological aspect was compatible with an acute polyradiculoneuritis. The analysis of the cerebrospinal fluid showed an albumino-cytological dissociation. The existence of the diarrhea directed the investigations towards an inflammatory enteropathy, which was attested later on by the endoscopic, radiologic and histological data leading to the diagnosis of active Crohn's disease. The diagnosis of a relapsing polyradiculoneuritis associated with Crohn's disease was retained. The patient was treated by salazopirine-budosemide with improvement in the digestive and neurological manifestations after 3 years.Conclusion
The frequency of neurological features in Crohn's disease is not well documented. The incriminated mechanisms are either directly related to the disease (deficit in B12 vitamin or folic acid and/or by the means of an auto-immune vascularitis) or secondary to long-term treatment with metronidazole. The course of neurological manifestations is largely dependent on the course of the inflammatory disease.
Revue Neurologique 02/2007; 163(2):244-246. DOI:10.1016/S0035-3787(07)90398-7 · 0.66 Impact Factor