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  • Title: Cervical smears following laser treatment. Comparison of Cervex brush versus Cytobrush-Ayre spatula sampling.
    Author: Szarewski A, Cuzick J, Singer A.
    Journal: Acta Cytol; 1991; 35(1):76-8. PubMed ID: 1994639.
    Abstract:
    For 802 women at initial follow-up after laser treatment of cervical lesions, 421 smears prepared using the Cervex brush were compared with 381 smears prepared using the combination of a Cytobrush plus an Ayre spatula. The smears were graded for adequacy, the presence of endocervical or metaplastic cells and the presence and degree of epithelial abnormalities. Endocervical or metaplastic cells were seen more often in Cytobrush-Ayre spatula smears (94.5%) as compared with Cervex brush smears (88.8%; P = .004). Also, the number of samples classed as inadequate was significantly greater with Cervex brush smears (4.0%) than with Cytobrush-Ayre spatula smears (0.3%; P = .0003). The number of smears showing dysplasia was too small to detect realistic differences between the two sampling methods. These findings suggest that, in women who have had laser treatment of the cervix, Cytobrush plus Ayre spatula sampling produces better-quality smears than does Cervex brush sampling, with regard to both adequacy and the presence of endocervical cells.
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