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Ultrasonography in Gynaecological Cancers 117

surgery planning and is measured as the minimum sensitivity and specificity of 91.3% and 86.2%, positive
distance between upper tumour edge and internal and negative predictive value of 70.0% and 96.6% (30).
cervical orificium (Figure 5). In this study a cranial tumour-free margin was also
measured with a proven accuracy of 94.3%, a sensitivity
In a prospective study of 99 patients with early-stage of 91.3% and a specificity of 95.4%, positive and negative
cervical cancer the ultrasound in the measurement of the predictive value of 87.5% and 96.9% (30).
lateral tumour-free margin reached accuracy of 87.5%,

Table 2. Sensitivity, Specificity, Agreement and Kappa Values of Ultrasound (US) and Magnetic Resonance
Imaging (MRI) in the Evaluation of Residual Tumour, Tumour Size, and Extension of Cervical Cancer Using
Histology as a Reference Standard (n=182)

Sens-sensitivity, Spec-specificity. A table comprising results of Epstein et al. study (27).