Successful Modified Transoral Endoscopic Parathyroidectomy Vestibular Approach For Secondary Hyperparathyroidism With Ectopic Mediastinal Glands

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Background:Transoral endoscopic parathyroidectomy vestibular approach for secondary hyperparathyroidism (SHPT) is controversial with regard to the time consumed, safety, and feasibility. We present our initial experience with modified transoral endoscopic parathyroidectomy vestibular approach (m-TOEPVA) procedure for SHPT using total parathyroidectomy with autotransplantation.Materials and Methods:We retrospectively reviewed 10 patients with SHPT who underwent the m-TOEPVA procedure from December 2017 to April 2018 at our center.Results:There were a total of 6 male individuals and 4 female individuals with a median age of 58.5 years. Among whom, 5 were on hemodialysis and 5 on peritoneal dialysis. The median length of hospital stay and operative time was 5 (4, 5) days, and 321.5 (302.75, 362.25) minutes, respectively. Successful removal of 4 parathyroid glands was achieved in 8 of 10 patients (80%) and, in 8 patients (8/10, 80%), the intact parathyroid hormone successfully dropped to <300 pg/mL at 3 months postoperatively. Two patients with ectopic parathyroid gland in the superior mediastinum were noted preoperatively by MIBI scan and subsequently had successful removal. Except for 1 patient with prolonged hospital stay (11 d) due to hungry bone syndrome, there were no other major complications.Conclusion:m-TOEPVA by total parathyroidectomy with autotransplantation for SHPT is feasible, safe, and offers optimal cosmetic results. The most valuable part is that m-TOEPVA provides direct visualization and successful removal of the ectopic parathyroid glands in the superior mediastinum.

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