MULTICENTRICITY OF PAPILLARY ADENOCARCINOMA OF THE THYROID: INFLUENCE ON TREATMENT*

Abstract
In a study of 328 cases of papillary adenocarcinoma of the thyroid treated surgically in the period 1940-1954, it was found that these adenocarcinomas are multicentric in at least 20 per cent of cases. The multicentricity usually involves both lobes. Given a papillary lesion in one lobe, one or more additional deposits occur in the same lobe in more than 10 per cent of cases, and in the opposite lobe in a like proportion of cases. Further resection of the thyroid is advisable in cases in which partial lobectomy or partial thyroidectomy has been carried out previously because of a nodule that subsequently proves to be a papillary lesion. Preservation of a remnant on the apparently uninvolved side together with the nodes in the tracheo-esophageal groove on that side is justified in order to avoid total parathyroidectomy.

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