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[Peripheral neuropathy associated with intestinal inflammatory disease].

The association of outlying peripheral neuropathy and inflammatory bowel disease is a rare fact leaving aside factors like the deficit of intestinal absorption of vitamins or the neurotoxicity of drugs employed for the treatment of the inflammatory bowel disease. We presented a series of four patients with this association, to whom a retrospective study was carried out. In all cases polineuropathy followed a course parallel to the inflammatory bowel disease, being acute and reversible in two cases. The polyneuropathy could be attributed to a deficit of vitamin B12 in one case and to metronidazole neurotoxicity in the other; in the remaining two cases the polineuropathy was chronic and no etiological factor could be found except for the own activity of the inflammatory bowel disease. We think that the neuropathy can represent a rare extraintestinal manifestation of the illness with a common autoimmune pathogenic mechanism. In one of our cases, the nerve biopsy demonstrated an axonal neuropathy with an alteration of the epineural vessels which showed a healed aspect.