HYPOTHESIS: Three-gland parathyroidectomy with trans-cervical thymectomy and cryopreservation is the preferred initial surgical approach for hyperparathyroidism (HPT) in patients with multiple endocrine neoplasia type 1. DESIGN: Retrospective cohort study. SETTING: Tertiary referral center. PATIENTS: Thirty-seven patients with multiple endocrine neoplasia type 1 who underwent 1 or more surgical procedures for HPT from January 1, 1973 to April 30, 2004. RESULTS: At initial parathyroid surgery, 16 (43%) of 37 patients had fewer than 3 parathyroid glands resected (group 1); 16 (43%) had at least 3 but fewer than 4 glands (group 2), and 5 (14%), 4 or more glands (group 3). Follow-up of at least 6 months after initial surgery was complete for 31 (84%) of 37 patients. CONCLUSIONS: Recurrent HPT in patients with multiple endocrine neoplasia type 1 is frequent if fewer than 3 glands are removed at initial parathyroidectomy. Optimal surgical intervention must balance the risk of recurrent hypercalcemia with the morbidity of permanent hypoparathyroidism. Three-gland parathyroidectomy, transcervical thymectomy, and parathyroid cryopreservation constitute our preferred initial surgical procedure.
HYPOTHESIS: Three-gland parathyroidectomy with trans-cervical thymectomy and cryopreservation is the preferred initial surgical approach for hyperparathyroidism (HPT) in patients with multiple endocrine neoplasia type 1. DESIGN: Retrospective cohort study. SETTING: Tertiary referral center. PATIENTS: Thirty-seven patients with multiple endocrine neoplasia type 1 who underwent 1 or more surgical procedures for HPT from January 1, 1973 to April 30, 2004. RESULTS: At initial parathyroid surgery, 16 (43%) of 37 patients had fewer than 3 parathyroid glands resected (group 1); 16 (43%) had at least 3 but fewer than 4 glands (group 2), and 5 (14%), 4 or more glands (group 3). Follow-up of at least 6 months after initial surgery was complete for 31 (84%) of 37 patients. CONCLUSIONS: Recurrent HPT in patients with multiple endocrine neoplasia type 1 is frequent if fewer than 3 glands are removed at initial parathyroidectomy. Optimal surgical intervention must balance the risk of recurrent hypercalcemia with the morbidity of permanent hypoparathyroidism. Three-gland parathyroidectomy, transcervical thymectomy, and parathyroid cryopreservation constitute our preferred initial surgical procedure.
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