Chronic pancreatitis, cholestasis, ileal resection
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Malabsorption at mucosal level
Celiac disease, Crohn, tropical sprue
Short bowel, cystic fibrosis
Eosinophilic gastroenteritis, Whipple disease
Amyloidosis, hypogammaglobulinemia, mastocytosis
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Malassimilation
Primary and secondary lymphangiectasia
Lipoproteinemia
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Malabsorption caused by bacterial overgrowth
Idiopathic pseudoobstruction, systemic sclerosis
Multiple, large, SB diverticula