Location of Parathyroid Adenomas: Chiang Mai University Hospital Experience
Keywords:
Location, parathyroid adenoma, primary hyperparathyroidismAbstract
Background and Objective: To identify common locations of parathyroid adenomas in patients with primary hyperparathyroidism seen at Chiang Mai University Hospital.
Material and Method: A retrospective medical record review was performed to identify the location of parathyroid adenomas in patients who underwent parathyroidectomy with pathology report confirmation at Chiang Mai University Hospital from January 2005 to December 2014. The adenomas were grouped according to their position, into right superior, right inferior, left superior and left inferior.
Results: in terms of the position of adenomas were also reviewed. Results: The most common location of parathyroid adenomas was left inferior. In 23 patients, the left inferior location was seen in 12 patients (52%), the right inferior in 5 patients (22%), the left superior in 4 patients (17%) and the right superior in 2 patients (9%). According to MIBI scans, the left inferior was still the most common location of parathyroid adenomas (10/18 patients, 56%).
Conclusion: The most common location of parathyroid adenomas was the left inferior. This may help the surgeon identify an adenoma in primary hyperparathyroidism by providing a starting point, and perhaps decrease unnecessary neck exploration in patients with negative imaging studies.
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