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The Korean Journal of Cytopathology 2002;13(1): 14-20.
Qualification of Atypical Squamous Cells of Undetermined Significance - "ASCUS, R/O HSIL": Cytologic Features and Histologic Correlation.
Hye Sun Kim, Bock Man Kim, Yee Jung Kim, Hy Sook Kim
Department of Pathology, Samsung Cheil Hospital, Sungkyunkwan University School of Medicine, Seoul, Korea. hskmd@hitel.net
ABSTRACT
Cytologic and histopathologic features and human papillomavirus (HPV) DNA detection associated with 101 cervicovaginal smears which are classified as 'atypical squamous cells of undetermined significance, rule out high grade squamous intraepithelial lesion(ASCUS, R/O HSIL)' were reviewed and compared to 89 smears of 'ASCUS, not otherwise specified(NOS)' . Cytologic fieatures of ASCUS, R/O HSIL included atypical single small cells(36.6%), hyperchromatic tissue fragments(35.6%), atypical metaplastic cells(18.8%), endometrial cell-like clusters(5.9%), and atypical parakeratotic cells(3.0%). A final diagnosis of HSIL on biopsy was assigned to 47(54.0%) of 87 women with ASCUS, R/O HSIL and to 13(14.6%) of 89 women with ASCUS, NOS ( p=0.000). There was no difference in HPV DNA detection rate between ASCUS, R/O HSIL and ASCUS, NOS smears. These data suggest that subclassification of ASCUS is helpful to manage patients because ASCUS, R/O HSIL is more often associated with an underlying HSIL on biopsy. Therefore, women with ASCUS, rule out HSIL should be actively managed with colposcopic examination.
Key Words: Cervical smears; The Bethesda System; ASCUS; High grade squamous intraepithelial lesion