[Diagnostic significance of lymphoscintigraphy in cancer of the rectum].

Lymphoscintigraphic data were compared with the results of morphologic examination of resected regional lymph nodes in 51 cases of rectal cancer. Radionuclide method accuracy proved to be 80%, specificity--65% and sensitivity--96%. Correct diagnosis of metastasis was made in 73% while absence of metastases was reliably confirmed in 94%.