What are the diagnostic criteria for Gianotti-Crosti syndrome?

Updated: Aug 13, 2019
  • Author: Kara N Shah, MD, PhD; Chief Editor: William D James, MD  more...
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Answer

Diagnostic criteria for Gianotti-Crosti syndrome have been proposed and include the following [39, 40] :

  • The presence of all of the following positive clinical features:

    • Monomorphous, flat-topped, pink-brown papules or papulovesicles 1-10 mm in diameter

    • At least three of the following four sites involved: cheeks, buttocks, extensor surfaces of forearms, extensor surfaces of legs

    • Symmetric eruption

    • Duration of at least 10 days

  • The absence of extensive truncal lesions and scaling

  • Exclusion of alternative diagnoses as more compatible as based on clinical judgment

  • Compatible histopathologic findings, if skin biopsy is performed


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