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.
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
Celiac disease
Celiac disease is an autoimmune condition that damages the lining of the small intestine. This damage comes from a reaction to eating gluten. This ...
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Crohn disease
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- Lymphoma
- Lymphatic obstruction in the gastrointestinal tract
- Intestinal lymphangiectasia
Symptoms
Symptoms can include:
- Diarrhea
- Fever
- Abdominal pain
- Swelling (edema)
Symptoms will depend on the disease that is causing the problem.
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
Alpha-1-antitrypsin
Alpha-1 antitrypsin (AAT) is a laboratory test to measure the amount of AAT in your blood. The test is also done to check for abnormal forms of AAT....
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- CT or MR enterography
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.
Review Date: 8/12/2024
Reviewed By: Jenifer K. Lehrer, MD, Gastroenterologist, Philadelphia, PA. Review provided by VeriMed Healthcare Network. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.
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