Brown Tumor Due to Primary Hyperparathyroidism Disguised as Lung Cancer in a Patient with Rib Lesions

  • Betül Uğur Altun
  • Gülşah Yenidünya Yalın


Primary hyperparathyroidism (PHPT) is the most common cause of hypercalcemia and is characterized with high (or in the upper limit of normal) parathyroid hormone levels despite the presence of hypercalcemia. PHPT diagnosis is becoming more common in the recent years due to frequent measurement of serum calcium levels in routine biochemical screening. The most common clinical presentation of PHPT is asymptomatic hypercalcemia. However, a broad range of clinical manifestations such as osteoporosis, skeletal manifestations, or nephrolithiasis may be seen as the disease sets on.


Primary hyperparathyroidism Brown tumor Hypercalcemia 


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Copyright information

© Springer International Publishing AG, part of Springer Nature 2019

Authors and Affiliations

  • Betül Uğur Altun
    • 1
  • Gülşah Yenidünya Yalın
    • 2
  1. 1.Department of EndocrinologyBaşkent University Medical SchoolAnkaraTurkey
  2. 2.Department of EndocrinologyBaşkent University Istanbul HospitalIstanbulTurkey

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