Comparison of mini-probe endoscopic ultrasonography with computed tomography in preoperative staging of esophageal cancer / 中华肿瘤杂志

ABSTRACT

<p><b>OBJECTIVE</b>To compare mini-probe endoscopic ultrasonography (MCUS) with computed tomography (CT) in preoperative T and N staging of esophageal cancer, and to find out the MCUS parameters to judge lymph node metastasis for esophageal cancer.</p><p><b>METHODS</b>Thirty-five patients received both MCUS and CT preoperatively, on both of which the T and N stages were determined. The accuracy, sensitivity, specificity, positive predicting value and negative predicting value were compared with the postoperative pathological results.</p><p><b>RESULTS</b>The accuracy of MCUS was 85.7% in T staging and 85.7% and 80.0% in N staging by the two different methods, which were 45.7% and 74.3%, respectively, by CT.</p><p><b>CONCLUSION</b>MCUS is better than CT in preoperative staging for esophageal cancer. The ratio of short to long axis (S/L) combined with short axis is a useful way to determine lymph node metastasis.</p>