Learn About Macroamylasemia

What is the definition of Macroamylasemia?

Macroamylasemia is the presence of an abnormal substance called macroamylase in the blood.

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What are the causes of Macroamylasemia?

Macroamylase is a substance that consists of an enzyme, called amylase, attached to a protein. Because it is large, macroamylase is filtered very slowly from the blood by the kidneys.

Most people with macroamylasemia do not have a serious disease that is causing it, but the condition has been associated with:

  • Celiac disease
  • Lymphoma
  • HIV infection
  • Monoclonal gammopathy
  • Rheumatoid arthritis
  • Ulcerative colitis
What are the symptoms of Macroamylasemia?

Macroamylasemia does not cause symptoms.

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Who are the sources who wrote this article ?

Published Date: October 27, 2021
Published By: Michael M. Phillips, MD, Emeritus Professor of Medicine, The George Washington University School of Medicine, Washington, DC. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.

What are the references for this article ?

Frasca JD, Velez MJ. Acute pancreatitis. In: Parsons PE, Wiener-Kronish JP, Stapleton RD, Berra L, eds. Critical Care Secrets. 6th ed. Philadelphia, PA: Elsevier; 2019:chap 52.

Siddiqi HA, Rabinowitz S, Axiotis CA. Laboratory diagnosis of gastrointestinal and pancreatic disorders. In: McPherson RA, Pincus MR, eds. Henry's Clinical Diagnosis and Management by Laboratory Methods. 24th ed. Philadelphia, PA: Elsevier; 2022:chap 23.

Vege SS. Acute pancreatitis. In: Feldman M, Friedman LS, Brandt LJ, eds. Sleisenger and Fordtran's Gastrointestinal and Liver Disease: Pathophysiology/Diagnosis/Management. 11th ed. Philadelphia, PA: Elsevier; 2021:chap 58.