During the period 1987-1997 in the Department of Thoracic Surgery, Medical university of Varna, a total of 917 patients were operated for nodal pathology of the thyroid gland. In 57 cases (6,21 %) carcinoma was found. The epidemiological differences in the beginning and in the end of the studied period, diagnostic problems as well as the tactics icerning the volume of the operative intervention are discussed.
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