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PEDIATRICS Vol. 108 No. 2 August 2001, p. e21

ELECTRONIC ARTICLE:
Brain White-Matter Lesions in Celiac Disease: A Prospective Study of 75 Diet-Treated Patients

Received Dec 20, 2000; accepted Apr 9, 2001.

Matthias Kieslich*, Germán Errázuriz*, Hans Georg Posselt*, Walter Moeller-HartmannDagger , Friedhelm ZanellaDagger , and Hansjosef Boehles*

From the * Departments of Pediatrics and Dagger  Neuroradiology, Johann Wolfgang Goethe University, Frankfurt/Main, Germany.

Objective.  Celiac disease (CD), or gluten sensitivity, is considered to be a state of heightened immunologic responsiveness to ingested gluten proteins in genetically predisposed individuals. The gastrointestinal manifestation suggests a severe enteropathy of the small intestine with malabsorption, steatorrhea, and weight loss because of a deranged mucosal immune response. Neurologic complications occur, especially epilepsy, possibly associated with occipital calcifications or folate deficiency and cerebellar ataxia. There have been reports of brain white-matter lesions as an extraintestinal manifestation in Crohn disease and ulcerative colitis but not in CD.

Methods.  In this study, 75 diet-treated mainly pediatric patients with biopsy-proven CD underwent prospectively clinical neurologic examinations, laboratory investigations, electroencephalography, computed tomography, and magnetic resonance imaging. The age range was 2.8 to 24.2 years with a mean of 11.6 years. The mean period of gluten exposure was 2.4 years.

Results.  Ten patients had neurologic findings such as febrile seizures, single generalized seizures, mild ataxia, and muscular hypotonia with retarded motor development. No folate deficiency was found. The hippocampal regions showed no abnormalities. Computed tomography did not reveal any cerebral calcifications, but magnetic resonance imaging detected unilateral and bilateral T2-hyperintensive white-matter lesions in 15 patients (20%). There was no correlation between these lesions and dietary compliance or neurologic or electroencephalographic abnormalities. The mean gluten exposure time of these patients was slightly increased (not significant).

Conclusions.  Focal white-matter lesions in the brain may represent an extraintestinal manifestation of CD. They may be ischemic in origin as a result of a vasculitis or caused by inflammatory demyelination. They seem to be more typical of pediatric CD than cerebral calcifications. Their prognostic value is unclear and needs to be elucidated in additional studies. CD should be suggested as a differential diagnosis in children with unclear white-matter lesions even without intestinal symptoms.  Key words:  celiac disease, neurologic complications, brain white-matter lesions, child.




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