Prenatal screening in utero is currently offered by several medical centers since the gene(s) involved in the<unk>  were recently discovered to be MYO5B; Diagnosis is typically made by biopsy of the small intestine. Biopsy The appearance of<unk>  on light microscopy is similar to celiac sprue; however, it usually lacks the intraepithelial lymphocytic infiltration characteristic of celiac sprue and stains positive for carcinoembryonic antigen (CEA). The definitive diagnosis is dependent on electron microscopy. Differential diagnosis The differential diagnosis of chronic and intractable diarrhea is: * Intestinal epithelial dysplasia * Syndromatic diarrhea * Immunoinflammatory enteropathy
Microvillous inclusion disease
Weber–Christian disease
Galli–Galli disease
TRIANGLE disease
PASLI disease
Congenital hepatic fibrosis
Infantile systemic hyalinosis
BENTA disease