MedlinePlus Medical Encyclopedia: Positive ppd skin test

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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: 6/8/2007

Updated by: Mark Levin, M.D., Division of Infectious Disease, MacNeal Hospital, Berwyn, IL. Review provided by VeriMed Healthcare Network.

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