Abstract
Our goal was to estimate the agreement between 360° 3-D transvaginal ultrasound (TVUS) and magnetic resonance imaging (MRI) of the vaginal invasion in cervical cancer and to discuss the clinical value of 360° 3-D TVUS. A total of 72 patients with untreated cervical cancer were included in the work. The percentage agreement between 2-D TVUS and MRI in assessing vaginal invasion (yes or no) was 77.8% (kappa, 0.400) and that between 360° 3-D TVUS and MRI was 97.2% (kappa, 0.873). The results of 2-D TVUS demonstrated the following agreement with those of MRI: 77.8% for the upper two-thirds of the vagina (kappa, 0.538), 83.3% for the lower third of the vagina (kappa, 0.471). The results of 360° 3-D TVUS demonstrated the following agreement with those of MRI: 95.8% for the upper two-thirds of the vagina (kappa, 0.907), 98.6% for the lower third of the vagina (kappa, 0.961). The results of 360° 3-D TVUS demonstrated good agreement with MRI, which is less costly and more readily available than MRI and should be considered in the pre-treatment work-up for cervical cancer.
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