Gynecologic Cytology 101
Diagnostic entities found on the Pap test. For additional information, please see
Bethesda System Web Atlas.
Negative for Intraepithelial Lesions or Malignancy (NILM)
Herpes simplex virus
Atypical Squamous Cells of Undetermined Significance (ASC-US)
Atypical Squamous Cells cannot rule out a High-grade Lesion (ASC-H)
Low-grade Squamous Intraepithelial Lesion (LSIL)
High-grade Squamous Intraepithelial Lesion (HSIL)
Squamous cell carcinoma
Adenocarcinoma, endocervical type
Adenocarcimona, endometrial type
Adenocarcinoma, ovarian type
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McClatchey KD, ed. Clinical Laboratory Medicine, 2nd ed. Baltimore, MD: Williams & Wilkins; 2002.
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American College of Obstetricians & Gynecologists. www.acog.org (accessed 11/22/13)