Akira Kobayashi, MD; Kanji Kuma, MD; Fumio Matsuzuka, MD; Masahiro Sugawara, MD
To the editor: The parathyroid cyst or cystic parathyroid adenoma is a rare cause of primary hyperparathyroidism (1-5). We report a case of primary hyperparathyroidism caused by cystic parathyroid adenoma in a patient who developed hypercalcemic crisis after a fine-needle aspiration biopsy of the cyst. This fineneedle aspiration biopsy introduced a new complication, the exacerbation of hypercalcemia.
A 57-year-old man visited us because of weight loss. Physical examination showed a 3.5 X 2.0-cm firm mass in the left lower neck. A fine-needle aspiration biopsy of the neck mass was done using a 22-gauge needle, and approximately 9 mL of colorless,
Kobayashi A, Kuma K, Matsuzuka F, Sugawara M. Exacerbation of Hypercalcemia after Needle Biopsy of a Parathyroid Cyst. Ann Intern Med. ;110:326–327. doi: 10.7326/0003-4819-110-4-326
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Published: Ann Intern Med. 1989;110(4):326-327.
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