The Ultrasonographic Inspection for Lateral Lymphatic Spread of Rectal Carcinoma.

概要

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As one of the preoperetive evaluation for the autosomalnerve-preserving operation to rectal carcinoma, the ultrasonographic inspection of lateral lymphatic spread on the 25 cases of rectal carcinoma. The same inspection was also performed on the other 40 outpatients. The probe of 50MHz linear convex type was mainly used. Regarding the arteries in the plevic cavity as the guide posts, lateral lymphnodes were identified in the 5 cases of rectal carcinoma. Though 2 cases out of the 5 were diagnosed positive, only one of the 2 cases was proved to be pathologically positive after the operation. The specificity was 95.8%, Accuracy 96.0%.<BR>In most of the patient, arteries were clearly observed down to the supravesicular artery, the idetification of the lateral lymphnodes was thought to be possible. This result indicated the effectiveness of this common and noninvasive inspection.
日本大腸肛門病学会の論文