Health Care Encyclopedia
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MacroamylasemiaDefinition: Macroamylase is a molecule that consists of an enzyme, called amylase, bound to a protein. Because it is relatively large, macroamylase is filtered very slowly from the blood by the kidneys. Macroamylasemia is when this molecule builds up in the blood. Macroamylasemia has been associated with: - celiac disease
- ulcerative colitis
- rheumatoid arthritis
- lymphoma
- HIV infection
- monoclonal gammopathy
Causes, incidence, and risk factors:
Symptoms: Macroamylasemia does not cause symptoms.
Signs and tests: Macroamylasemia causes a high amylase blood level reading. Macroamylasemia can be confused with acute pancreatitis, which also causes high levels of amylase in the blood. Macroamylasemia can be diagnosed by measuring amylase levels in the urine. Urine levels of amylase would be low. This is in contrast to acute pancreatitis, in which urine amylase levels will be high.
Expectations (prognosis):
Calling your health care provider:
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| Review Date: 11/10/2004
Reviewed By: Christian Stone, M.D., Division of Gastroenterology, Washington University in St. Louis School of Medicine, St. Louis, MO. Review provided by VeriMed Healthcare Network.
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