J Korean Endocr Soc.  2008 Oct;23(5):347-351. 10.3803/jkes.2008.23.5.347.

Brown Tumor of the Ulna and Radius: An Unusual Presentation of Primary Hyperparathyroidism

• Park H
• Kang GH
• Kim SG
• Kim JJ
• Baek NN
• Kim DM
• Cho SW
• Lee WJ
• Ko KS
• Rhee BD

• KMID: 1479229
• DOI: http://doi.org/10.3803/jkes.2008.23.5.347

Abstract

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.

Keyword

brown tumor; forearm; hyperparathyroidism

MeSH Terms

Calcium
Forearm
Humans
Hyperparathyroidism
Hyperparathyroidism, Primary
Parathyroid Hormone
Ulna
Calcium
Parathyroid Hormone

Figure

• 

  Fig. 1 A. Forearm roentgenogram shows osteolytic changes (arrows) on bilateral ulna and radius. B. Forearm roentgenogram taken at 8 months after parathyroid operation shows no significant interval change of osteolytic lesions (arrows) on right ulna and radius.

• 

  Fig. 2 99mTc-sestamibi parathyroid scan shows no focal parathyroid uptake on 120 minutes delayed image.

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