Squamous Intraepithelial Lesion, Not Amenable to Precise Grading (QSIL)


D efinition —A squamous intraepithelial lesion not amenable to precise grading (QSIL) that demonstrates features seen in both low-grade squamous intraepithelial lesion (LSIL) and high-grade squamous intraepithelial lesion (HSIL).

Clinical Features

Epidemiology

  • Typically encountered in reproductive-age women with atypical squamous cells of undetermined significance (ASCUS) or squamous intraepithelial lesion (SIL) on cervical cytology.

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