ID#: 19477
This photomicrograph of a Papanicolaou test, or Pap test, revealed findings indicative of a positive result for the presence of atypical squamous cell dysplasia, in this case, referred to as a high-grade squamous intraepithelial lesion (HSIL). Compare the morphology seen here, to PHIL 19476, which was designated as squamous cells of undetermined significance (ASCUS), exhibiting less dysplastic changes.
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Content Provider(s): CDC
Creation Date: 1969
Photo Credit:
CDC Organization
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Copyright Restrictions: None - This image is in the public domain and thus free of any copyright restrictions.