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  • Title: Use of the Cytobrush for cervical sampling after cryotherapy.
    Author: Hoffman MS, Gordy LW, Cavanagh D.
    Journal: Acta Cytol; 1991; 35(1):79-80. PubMed ID: 1994640.
    Abstract:
    The presence of endocervical cells in routine gynecologic smears (prepared from spatula and cotton swab samples) and Cytobrush smears was analyzed in 52 patients with a history of prior cryotherapy. These cases represented 11% of the 491 women evaluated using both techniques between August 1, 1987, and January 31, 1990. The routine smear contained endocervical cells in 25 (48%) of the 52 cases while the Cytobrush smear contained endocervical cells in 49 (94%) of the cases. The use of the Cytobrush for cervical cytologic screening thus appears to be of value in patients with a prior history of cryotherapy, which frequently renders the transformation zone less accessible to routine sampling.
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