Year : 2016  |  Volume : 8  |  Issue : 1  |  Page : 71-73

Normocalcemic hyperparathyroidism manifesting as brown tumor of mandible: A case report

Department of Oral Medicine and Radiology, College of Dental Sciences, Davangere, Karnataka, India

Correspondence Address:
Dr Dhanya S Rao
Asst Professor, Department of Oral Medicine & Radiology, AJ Institute of Dental Sciences, Kuntikana, Mangalore 575004 Karnataka
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0975-8844.181933

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Patients with primary hyperparathyroidism (HPT) may be asymptomatic and clinical presentation of the tumor in the jaws can be the first sign of the disease. Only 2% of all primary HPT cases occur in patients below the age of 30 years. [1] Owing to the improved methods of blood analysis in the last two decades, most of the recent cases of primary HPT are diagnosed early and asymptomatically. [2] Most cases of primary HPT are identified by hypercalcemia and hypophosphatemia on routine multi-panel serum testing. [3] This makes advanced disease with brown tumor extremely rare these days, the mandible being affected only in 4% of the cases. [2] Here, we report a case of a 23-year-old female patient who presented with a swelling at body of mandible, with hypophosphatemia, increased parathyroid hormone, and normal serum calcium levels based on which a diagnosis of brown tumor was given.

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