Type of Preparation: Conventional Magnification: High Clinical History: 36 year old woman with hx of abnormal Pap test elsewhere Interpretation: HSIL in gland Cytomorphologic Criteria: This large cluster of cells exhibiting much overlapping, high nuclear to cytoplasmic ratio, and nuclei with fine to coarsely granular chromatin represent a HSIL. Explanatory Notes: The absence of columnar cells with eccentric nuclei should exclude a glandular origin.