TABLE 142-3.
Causes of Malabsorption
| MECHANISM OF MALABSORPTION | CONDITIONS |
|---|---|
| Impaired mixing | Partial/total gastrectomy |
| Gastric bypass surgery | |
| Impaired lipolysis | Chronic pancreatitis |
| Pancreatic cancer | |
| Congenital pancreatic insufficiency | |
| Congenital colipase deficiency | |
| Gastrinoma | |
| Impaired micelle formation | Severe chronic liver disease |
| Cholestatic liver disease | |
| Bacterial overgrowth | |
| Crohn's disease | |
| Ileal resection | |
| Gastrinoma | |
| Impaired mucosal absorption | Lactase deficiency |
| Congenital enterokinase deficiency | |
| Abetalipoproteinemia | |
| Giardiasis | |
| Celiac disease | |
| Tropical sprue | |
| Agammaglobulinemia | |
| Amyloidosis | |
| AIDS-related (infections, enteropathy) | |
| Radiation enteritis | |
| Graft-versus-host disease | |
| Whipple's disease | |
| Eosinophilic gastroenteritis | |
| Megaloblastic gut | |
| Collagenous sprue | |
| Ulcerative jejunitis | |
| Lymphoma | |
| Bacterial overgrowth | |
| Short-bowel syndrome | |
| Mastocytosis | |
| Impaired nutrient delivery | Congenital lymphangiectasia |
| Lymphoma | |
| Tuberculosis | |
| Constrictive pericarditis | |
| Severe congestive heart failure | |
| Unknown | Hypoparathyroidism |
| Adrenal insufficiency | |
| Hyperthyroidism | |
| Carcinoid syndrome |
AIDS = acquired immunodeficiency syndrome.