- A Case of Parathyroid Cancer with a Local Metastatic Focus Revealed by 99mTc-sestamibi scan.
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Soo Mi Kim, Shin Gon Kim, Ie Byung Park, Dong Hyun Shin, Jung Heon Oh, Nan Hee Kim, Se Hyun Baek, Seob Sub Choi, Jung Hwan Lee
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J Korean Endocr Soc. 1997;12(4):627-632. Published online January 1, 2001
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 Abstract
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- Carcinoma of the parathyroid gland is rare, comprising only 0.1% to 5% of all patients with primary hyperparathyroidism. It presents with severe hypercalcemia, bone disease, palpable neck mass, renal involvement and etc. Since the initial operation offers the best chance for cure, preoperative localization and intraoperative recognition of parathyroid cancer are essential. Recently parathyroid imaging has been described with 99mTc-sestamibi as an alternative to 201Tl. This newer agent has many physical and dosirnetric advantages and represents higher detection sensitivity than 201Tl-99mTc subtraction scan. We experienced a 41-year-old man presenting with recurrent hyperparathyroidism in spite of 2 previous operations. In preoperative localization, there was no abnormal uptake in 201Tl-99mTc subtraction scan but 99mTc-sestamibi scan revealed metastatic foci on right cervical area. He was successfully treated with modified radical neck dissection.
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