The Australian & New Zealand journal of obstetrics & gynaecology · 2020
Follow-up after treatment of high-grade cervical dysplasia: The utility of six-month colposcopy and cytology and routine 12-month colposcopy.
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Morton Rhett, Mylvaganam Gaithri, Anderson Lyndal, Farrell Rhonda, Carter Jonathan, Pather Selvan, Saidi Samir
Аннотация
BACKGROUND: Australian Cervical Screening Program guidelines no longer recommend colposcopy and cytology at six months following treatment of cervical intraepithelial neoplasia (CIN2/3) and a co-test of cure can be performed at 12 months without colposcopy.
AIMS: To determine the usefulness of six-month colposcopy and cytology and routine colposcopy with co-testing at 12 months in detecting persistent or recurrent disease in patients treated for CIN2/3.
MATERIALS AND METHODS: We conducted a review of all patients with histologically proven CIN2/3 who underwent a cervical excisional procedure between March 2012 and March 2017 in one specialised centre.
RESULTS: We examined 1215 cases and 750 remained after exclusions for analysis. At six months (722 cases, 96.2%) seven of 42 (16.7%) patients with high-grade cytology had a high-grade colposcopy and 24 of 42 (57.1%) had a normal colposcopy. Persistent CIN2/3 was diagnosed in 12 cases (1.7%) and only 1/3 had a high-grade colposcopy. Cytology was more useful than colposcopy in detecting persistent disease. At 12 months (638 cases, 85%) routine colposcopy at the time of co-testing had a high false positive rate with all high-grade changes negative on biopsy and co-test. Recurrent CIN2/3 was diagnosed in five cases, and four had normal colposcopy at co-testing.
CONCLUSIONS: There may be a delay in detection of persistent/recurrent CIN2/3 in a small number of cases without six-month colposcopy and cytology; however, it is not likely to negatively impact overall clinical outcome. Co-testing at 12 months following treatment of CIN2/3 without colposcopy is safe and routine colposcopy at collection of the co-test can be omitted.
AIMS: To determine the usefulness of six-month colposcopy and cytology and routine colposcopy with co-testing at 12 months in detecting persistent or recurrent disease in patients treated for CIN2/3.
MATERIALS AND METHODS: We conducted a review of all patients with histologically proven CIN2/3 who underwent a cervical excisional procedure between March 2012 and March 2017 in one specialised centre.
RESULTS: We examined 1215 cases and 750 remained after exclusions for analysis. At six months (722 cases, 96.2%) seven of 42 (16.7%) patients with high-grade cytology had a high-grade colposcopy and 24 of 42 (57.1%) had a normal colposcopy. Persistent CIN2/3 was diagnosed in 12 cases (1.7%) and only 1/3 had a high-grade colposcopy. Cytology was more useful than colposcopy in detecting persistent disease. At 12 months (638 cases, 85%) routine colposcopy at the time of co-testing had a high false positive rate with all high-grade changes negative on biopsy and co-test. Recurrent CIN2/3 was diagnosed in five cases, and four had normal colposcopy at co-testing.
CONCLUSIONS: There may be a delay in detection of persistent/recurrent CIN2/3 in a small number of cases without six-month colposcopy and cytology; however, it is not likely to negatively impact overall clinical outcome. Co-testing at 12 months following treatment of CIN2/3 without colposcopy is safe and routine colposcopy at collection of the co-test can be omitted.