Minimally invasive parathyroidectomy for treatment of primary hyperparathyroidism caused by parathyroid adenoma

Krausz, M.M.; Ish-Shalom, S.; Ofer, A.

Harefuah 149(6): 353-356; 404

2010


ISSN/ISBN: 0017-7768
PMID: 20941923
Document Number: 645947
Minimally invasive parathyroidectomy (MIP) is frequently used for the treatment of primary hyperparathyroidism (PHPT) caused by a single adenoma. This method depends on preoperative localization of the tumor by a sestamibi scan, cervical ultrasound, and intraoperative parathyroid hormone (PTH) measurements. When the sestamibi scan is negative, the classical 4-gland exploration is used instead of MIP. a. To evaluate the effectiveness of MIP for treatment of PHPT caused by adenoma. b. To evaluate the use of PTH selective venous sampling (PTH-SVS) in patients with negative sestamibi scintigraphy. MIP was performed in all patients in whom an adenoma was diagnosed by sestamibi scan and US. When the sestamibi scan was negative, PTH-SVS was performed preoperatively for localization of the adenoma. Parathyroidectomy was performed in 541 patients, 458 with PHPT and 83 with secondary hyperparathyroidism. In 345 of 380 patients (90.8%) with an adenoma, MIP was performed, and in 92 of these patients the operation was performed under local anesthesia. A total of 444 (97.0%) of the patients with PHPT were cured by the surgery. In 56 patients with a negative sestamibi scan, PTH-SVS was used preoperatively for localization of an adenoma. In 30 of these cases (53%) MIP was successfully performed in spite of a negative sestamibi scan. MIP is the treatment of choice for PHPT caused by a single adenoma. When the preoperative sestamibi scan is negative, the authors recommend the use of PTH-SVS for preoperative localization. This resulted in 53% successful MIP in patients with a negative sestamibi scan.

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