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Spectrum of malabsorption syndrome among adults & factors differentiating celiac disease & tropical malabsorption - PubMed

Spectrum of malabsorption syndrome among adults & factors differentiating celiac disease & tropical malabsorption

Uday C Ghoshal et al. Indian J Med Res. 2012 Sep.

Abstract

Background & objectives: Aetiology of malabsorption syndrome (MAS) differs in tropical and temperate countries over time; clinical and laboratory parameters may differentiate between various causes. This study was undertaken to investigate the spectrum of MAS among Indian adults and to find out the features that may help to differentiate between TM and celiac disease.

Methods: Causes of MAS, and factors differentiating tropical malabsorption (TM) from celiac disease (CD) were determined in 275 patients.

Results: Using standard criteria, causes in 275 patients [age 37.5+13.2 yr, 170, (61.5%) male] were, TM 101 (37%), CD 53 (19%), small intestinal bacterial overgrowth 28 (10%), AIDS 15 (5.4%), giardiasis 13 (5%), hypogammaglobulinemia 12 (4%), intestinal tuberculosis 7 (2.5%), strongyloidiasis 6 (2%), immunoproliferative small intestinal disease 5 (2%), Crohn's disease 6 (2%), amyloidosis 4 (1.5%), intestinal lymphangiectasia 3 (1%) and unknown 22 (8%). On univariate analysis, patients with CD were younger than TM (30.6+12 vs. 39.3+12.6 yr, P<0.001), had lower body weight (41.3+11.8 vs. 49.9+11.2 kg, P<0.001), longer diarrhoea duration (median 36 inter-quartile range 17.8-120 vs. 24-months, 8-48, P<0.01), lower stool frequency (6/day, 5-8 vs. 8, 5-10, P<0.05), lower haemoglobin (9.4+3.2 vs. 10.4+2.7 g/dl, P<0.05), higher platelet count (2,58,000, range 1,35,500-3,23,500 vs. 1,60,000, 1,26,000-2,58,000/mm 3 , P<0.05), and more often had hepatomegaly (9/53, 17% vs. 4/101, 4%, P<0.01), and subtotal or partial villous atrophy (36/50, 72% vs. 28/87, 32%, P<0.001). Younger age (<35 yr), longer diarrhoea duration, higher platelet count and villous atrophy were significant on multivariate analysis.

Interpretation & conclusions: TM and CD are common causes of MAS among Indian adults. Younger age (<35 yr), longer diarrhoea duration, higher platelet count and villous atrophy were found to be associated with CD.

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Figures

Fig.
Fig.

Histological examination of duodenal biopsies in patients with malabsorption syndrome. (A) Patient with tropical malabsorption showing blunting of villi with increased mononuclear infiltrate in lamina propria, (B) subtotal villous atrophy with crypt hyperplasia in a patient with celiac disease, (C) dense dysplastic lymphomononucler infiltrate with blunting of villi in a patient with immunoproliferative small intestinal disease, (D) larvae of Strongyloides embedded in the mucosa (haematoxylin-eosin).

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