Reoperations for Persistent and Recurrent Secondary Hyperparathyroidism

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Abstract
Forty-nine reoperations for persistent or recurrent secondary hyperparathyroidism (HPT) in 30 patients are reported. The patients are part of a total of 184 patients operated on for secondary HPT; 28 reoperations in 18 patients were performed in the neck or in the upper mediastinum for remaining glands. Eleven reoperations at the forearm autograft revealed hyperplasia of the grafted tissue as the reason for recurrent disease in seven patients; they were treated by excision of all grossly enlarged particles. Ten patients received autologous cryopreserved tissue because of permanent postoperative hypoparathyroidism. The rate of graft-dependent recurrent HPT was 7%, and inadequate graft function was found in 6% of the patients.