Endocrinol Metab > Volume 23(5); 2008 > Article
Journal of Korean Endocrine Society 2008;23(5):347-351.
DOI: https://doi.org/10.3803/jkes.2008.23.5.347    Published online October 1, 2008.
Brown Tumor of the Ulna and Radius: An Unusual Presentation of Primary Hyperparathyroidism.
Hyun Park, Gun Hi Kang, Seung Gu Kim, Jun Jae Kim, Na Na Baek, Dae Myung Kim, Sung Woo Cho, Woo Je Lee, Kyung Soo Ko, Byoung Doo Rhee
Department of Internal Medicine, Inje University College of Medicine, Sanggye Paik Hospital, Korea.
Brown tumors are erosive bony lesions caused by chronic excessive secretion of parathyroid hormone. Since the introduction of routine calcium measurement, the diagnosis of hyperparathyroidism has usually been made in asymptomatic patients and as a result, brown tumors are rarely observed as an initial manifestation of hyperparathyroidism.
Key Words: brown tumor, forearm, hyperparathyroidism

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