Bethesda System · Pathology

The Bethesda category ASC-US stands for:

  1. Atypical squamous cells of undetermined significance
  2. Abnormal squamous cell carcinoma, unspecified
  3. Atypical secretory cells, uncertain diagnostic status
  4. Advanced squamous cell carcinoma, unspecified
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Correct answer: Atypical squamous cells of undetermined significance

ASC-US stands for Atypical Squamous Cells of Undetermined Significance. It represents minor cellular abnormalities that do not clearly indicate dysplasia.

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