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© 2005 by the American Institute of Ultrasound in Medicine
J Ultrasound Med 24:1483-1486 • 0278-4297

Transvaginal Sonographic Evaluation of Cervix Length After Cervical Conization

Chafika Mazouni, MD, Florence Bretelle, MD, PhD, Karina Blanc, MD, Hélène Heckenroth, MD, Olivier Haddad, MD, Aubert Agostini, MD, Ludovic Cravello, MD, Bernard Blanc, MD and Marc Gamerre, MD

Department of Gynecology and Obstetrics, Marseille Public Hospital System, Marseille, France.

Address correspondence to Chafika Mazouni, MD, Department of Gynecology, Conception Hospital, 245 Boulevard Baille, 13775 Marseille Cedex 5, France. E-mail: chafika.mazouni{at}mail.ap-hm.fr

Objective. The purpose of this study was to evaluate transvaginal sonographic cervical length before and after cervical conization for squamous intraepithelial lesions. Methods. Between November 2002 and October 2004, all women undergoing conization by either cold-knife conization or a loop electrosurgical excision procedure for squamous intraepithelial lesions were prospectively enrolled in this study. Cervical length was measured by transvaginal sonography (TVS) before and after conization. Results. A total of 48 women were studied before and after a mean of 7 days after conization. Complete excision was achieved in 41 patients, and endocervical margins were involved in 7 patients. Mean TVS cervical length was significantly shorter after than before conization (mean ± SD, 22.7 ± 6.9 versus 26.7 ± 8.1 mm; P < .001). The correlation coefficient between cone specimen length and postoperative length was r = 0.75 (P < .001). Mean TVS cervical lengths were 24.3 ± 6.7 mm in the group of women who underwent a loop electrosurgical excision procedure and 20.7 ± 9.4 mm in the group of women who underwent cold-knife conization (P = .13). Conclusions. Transvaginal sonographic measurement of cervical length after conization is well correlated with cone specimen length.

Key Words: cervix • conization • sonography • vaginal sonography

Abbreviations: CIN, cervical intraepithelial neoplasia • CKC, cold-knife conization • LEEP, loop electrosurgical excision procedure • SIL, squamous intraepithelial lesion • TVS, transvaginal sonography

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