Abstract
Localization of the parathyroid glands is not necessarily easy before surgery and can also be troublesome during surgery. This study focuses on the identification of pathologic parathyroid glands. The records of 32 patients who underwent parathyroidectomy at our institution in the past 14 years for primary hyperparathyroidism were reviewed. Twenty-three patients had a single lesion while 9 had multiple-gland involvement. Localization studies identified 17 of 23 patients with a single lesion. All patients with multiple lesions were diagnosed with an enlargement of the parathyroids, but not all glands were identified in each patient preoperatively. At surgery, 8 of 32 patients were explored unilaterally. Solitary enlarged glands were resected, and a subtotal parathyroidectomy was performed for multiple-gland involvement. The intraoperative serum intact parathyroid hormone (PTH) level dropped after resection of the largest gland. The serum PTH level correlated with the gland size (r=0.861, intact PTH assay). Eight of 9 patients with multiple-gland involvement had an elevated serum PTH (>2000pg/ml in midportion and >200pg/ml in intact PTH assays, respectively). No patient developed persistent or recurrent hyperparathyroidism. The serum PTH level was normalized by a resection of relatively enlarged glands in our cases. It is usual to explore all glands during surgery, and in cases with a high serum PTH level, multiple-gland involvement should also be considered.
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Kobayashi, T., Asakawa, H., Komoike, Y. et al. Identification of pathologic parathyroid glands in patients with primary hyperparathyroidism. Surg Today 28, 604–607 (1998). https://doi.org/10.1007/s005950050192
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DOI: https://doi.org/10.1007/s005950050192