Factor XII (Hageman factor) deficiency

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Blood clots

Treatment is usually not needed.

The outcome is expected to be good without treatment.

There are usually no complications.

The health care provider usually discovers this condition after noticing prolonged clotting in the process of running other laboratory tests.

Review Date: 02/28/2011
Reviewed By: David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine; and Yi-Bin Chen, MD, Leukemia/Bone Marrow Transplant Program, Massachusetts General Hospital. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

A.D.A.M., Inc. is accredited by URAC, also known as the American Accreditation HealthCare Commission (www.urac.org).

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