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Completion thyroidectomy is the removal of any thyroid tissue that remains after less than total thyroidectomy. At our center, completion thyroidectomy is used when, on permanent sectioning, a frozen section diagnosis is revised from benign to malignant. We reviewed our experience with completion thyroidectomy to examine its indications and complications. We found that the carcinoma was misdiagnosed in 32 of 244 (13%) of cases. Twenty-five of these were initially designated follicular adenomas. The completion proved to be no more technically difficult than a routine hemithyroidectomy. There was one case of permanent hypoparathyroidism (3%). Transient vocal cord palsy occurred in one patient (3%) and transient hypocalcemia occurred in five patients (15%). Complete recovery occurred in all six of these patients. Focal areas of residual carcinoma were found in 8 of 32 (25%) of glands removed at completion. We found completion thyroidectomy to be a safe procedure with minimal morbidity. We recommend its use in those instances of well-differentiated thyroid carcinoma in which the frozen section diagnosis differs from the permanent section.

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There is at present considerable controversy regarding the appropriate management of a patient who presents with a T3N0M0 glottic carcinoma. This paper presents the results for 141 patients presenting clinically with T3N0M0 glottic carcinoma between 1964 and 1981 and treated with primary radiotherapy reserving surgery for residual or recurrent disease. The actuarial survival for the entire group of patients was 50.5% at 5 yr; 28% of the patients died of glottic cancer. The local relapse-free rate achieved with radiotherapy was higher in female patients (68%) than male patients (41%) (P = 0.04); the local relapse-free rate was higher in males 60 yr of age or older (46%) than in males 59 yr of age or younger (31%) (P = 0.02). Involvement of all three laryngeal regions and initial tracheotomy were associated with a high primary failure rate. Fifty-nine per cent of patients alive at 5 yr retained and intact and functioning larynx. The time up until diagnosis of recurrence and the number of endoscopies required to establish recurrent or residual disease were all assessed with respect to their effects on survival and were shown to have no significant impact. Methods of improving the results of treatment for those patients with a high primary failure rate following radiotherapy are discussed.