Medical Health Encyclopedia

PET scan


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Alternative Names

Positron emission tomography


Normal Values

There are no problems detected in the size, shape, or position of an organ. There are no areas in which the radiotracer has abnormally collected.


What abnormal results mean
  • Abnormal heart function
  • Abnormal size, shape, or position of an organ
  • Alzheimer's disease
  • Cancer or tumors
  • Change in organ function
  • Infection

For more information see:



Review Date: 11/21/2010
Reviewed By: David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine. 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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