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  • Title: ThinPrep Pap Test promotes detection of glandular lesions of the endocervix.
    Author: Bai H, Sung CJ, Steinhoff MM.
    Journal: Diagn Cytopathol; 2000 Jul; 23(1):19-22. PubMed ID: 10907926.
    Abstract:
    The objectives of this study were to evaluate 1) the detection rate of atypical glandular cells of undetermined significance of endocervical cell type (AGUS-EC) and 2) the correlation between AGUS-EC on cytology and biopsy results using the conventional Papanicolaou (Pap) smear test vs. the ThinPrep Pap test (TPPT). Cervical-vaginal samples processed by the conventional Pap smear for 11 mo in 1996-1997 were identified, as were TPPTs collected for the same interval in 1997-1998. Biopsy results were compared after a 9-mo follow-up for both groups. There were 112 AGUS-EC cases from 82,754 conventional Pap smears (detection rate, 0.14%) compared with 58 cases from 82,252 TPPTs (detection rate, 0.07%) (P < 0.01). Biopsies were available in 72 of 112 patients from the conventional Pap smear group and 35 of 58 patients from the TPPT groups. Five dysplastic glandular lesions/ AIS were diagnosed by biopsy in the 35 patients (14.3%)from the TPPT group, compared with 2 of the 72 patients (2.8%) from the conventional Pap smear group (P < 0.05). There were no statistically significant differences between other follow-up diagnoses for the two methods. The use of TPPT resulted in fewer cases of AGUS-EC and better correlation with histology. The TPPT appears to be as sensitive as and more specific than the conventional Pap smear for detection of endocervical glandular lesions.
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