MedlinePlus Medical Encyclopedia: Positive PPD skin test

Medical Encyclopedia

Positive PPD skin test

The positive immunologic response to PPD antigen is seen here. The size of the papule is over 2 cm in diameter.

Update Date: 9/28/2008

Updated by: David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine; and Jatin M. Vyas, PhD, MD, Instructor in Medicine, Harvard Medical School, Assistant in Medicine, Division of Infectious Disease, Massachusetts General Hospital. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

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