To study the potentialities of scintigraphy with 67Ga-citrate and thermography these investigations of the neck lymph nodes were performed in 120 patients with cancer of the tongue and larynx. All the patients were divided into 4 groups with relation to the clinical manifestations of the nodes. The sensitivity of both methods was 87.9 and 88.9%, their specificity--68.2 and 53.3%, respectively. Radionuclide investigation in 4.6% and thermography in 7.1% made it possible to correct clinical errors. The above methods play an important role in combined diagnosis of regional metastases.
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