Radio-guided minimally invasive parathyroidectomy: A descriptive report of the experience from tertiary center in Bangalore

Bhushan Vidya, Shubhra Chauhan, Naveen Hedne Chandrasekhar, HV Sunil, Vijay Pillai, Vivek Shetty, RL Vijayaraghavan, Moni Abraham Kuriakose, Subramanian Kannan

Indian Journal of Nuclear Medicine 2017 32(3):184-187

Overview: Minimally invasive parathyroidectomy (MIP) is an accepted surgical procedure for parathyroid adenomas. In the patients with parathyroid adenoma localized by dual phase 99mTc-Sestamibi scan, a focused approach utilizing the gamma probe intra-operatively helps in ensuring complete resection and avoiding exploration of the other parathyroid glands. Objective: The aim of the study was to evaluate the performance of radio-guided MIP for parathyroid adenomas detected by dual phase 99mTc-MIBI preoperatively, without intra-operative parathyroid hormone (ioPTH) monitoring for patients who had evidence of single-gland disease. Patients and Methods: A retrospective dataset of 30 patients diagnosed with solitary parathyroid adenoma operated between 2009 and 2014 were reviewed. All of the patients underwent radio-guided MIP and were followed up for at least 6 months post-operatively. The biochemical parameters (serum calcium and serum parathyroid hormone levels), imaging parameters (ultrasonography and 99mTc-MIBI), and operative times were analyzed. Results: Our study consisted of 30 patients with 50% females, with a mean age of 42.5 + 12 years. The mean surgical duration was 20 + 12 min. All of the patients achieved biochemical cure (normalization of serum calcium) and remained eucalcemic at follow-up. No major surgical complications were noted. Conclusions: Focused parathyroidectomy using the gamma probe localization could be a potential alternative for ioPTH assay in ensuring the completeness of surgical resection of parathyroid adenoma. It is also likely to shorten operative time.

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