Transvaginal Ultrasonographic Diagnosis of Bladder-Wall Invasion in Patients With Cervical Cancer

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Abstract

Objective:

To evaluate the use of transvaginal ultrasonography for diagnosing invasion of the bladder by cervical cancer.

Methods:

Twenty-one women with stages Ib-IIIb cervical cancer underwent radical hysterectomy or staging laparotomy. All had computed tomography (CT) scans and cystoscopic examinations, and five also underwent magnetic resonance imaging (MRI). During transvaginal ultrasonography, a transvaginal transducer was inserted into the anterior fornix of the vagina and the bladder wall was studied in the sagittal plane. The movability of the bladder wall was assessed by the ability of the bladder to slide along the uterine cervix when the probe was pushed up against the bladder from the anterior fornix. Movability was considered to indicate an intact bladder wall.

Results:

The accuracy of transvaginal ultrasonography was superior to that of the other methods for detecting bladder-wall invasion by cervical cancer. The accuracy was 95% for transvaginal ultrasonography, 76% 86% for CT,86% for cystoscopy, and 80% for MRI.

Conclusion:

Transvaginal ultrasonographic examination is useful for detecting invasion of the bladder wall by cervical cancer. (Obstet Gynecol 1994;83:217-9)

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