Protein-losing enteropathy
Protein-losing enteropathy is an abnormal loss of protein from the digestive tract. It can also refer to the inability of the digestive tract to absorb proteins.
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Causes
There are many causes of protein-losing enteropathy. Conditions that cause serious inflammation in the intestines can lead to protein loss. Some of these are:
- Bacterial or parasitic infection of the intestines
- Celiac disease
- Crohn disease
- HIV infection
- Lymphoma
- Lymphatic obstruction in the gastrointestinal tract
- Intestinal lymphangiectasia
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Symptoms
Symptoms can include:
- Diarrhea
- Fever
- Abdominal pain
- Swelling (edema)
Symptoms will depend on the disease that is causing the problem.
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Exams and Tests
You may need tests that look at the intestinal tract. These may include a CT scan of the abdomen or an upper GI bowel series.
Other tests you may need include:
- Colonoscopy
- Esophagogastroduodenoscopy (EGD)
- Small intestine biopsy
- Alpha-1-antitrypsin test
- Small bowel capsule endoscopy
- CT or MR enterography
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Treatment
The health care provider will treat the condition that caused protein-losing enteropathy.
References
Greenwald DA. Protein losing gastroenteropathy. In: Feldman M, Friedman LS, Brandt LJ, eds. Sleisenger and Fordtran's Gastrointestinal and Liver Disease. 11th ed. Philadelphia, PA: Elsevier; 2021:chap 31.
Semrad CE. Approach to the patient with diarrhea and malabsorption. In: Goldman L, Cooney KA, eds. Goldman-Cecil Medicine. 27th ed. Philadelphia, PA: Elsevier; 2024:chap 126.