Abstract
Hyperparathyroidism is an endocrine disease characterized by the increased production of parathyroid hormone (PTH) due to, in most cases, a benign neoplasm in the parathyroid glands. The objective of this study is to report a clinical case of a 65-year-old male patient, presenting a painless lesion with a normal tumor appearance with reddish areas in the mandible and 8 months of evolution. Radiographically, the mandible exhibited multiple radiolucent lesions in the mentum and the mandibular body bilaterally. Histopathologic examination of the mentum lesion revealed a lesion composed of multinucleated giant cells permeated by cells with either spindle or ovoid morphology and areas of hemorrhage. Laboratory exams showed high PTH rates (1303.4 pg/ml) with no changing in the calcium values. Based on the histologic and laboratory findings, a diagnosis of brown hyperparathyroidism tumor was made. The male patient was referred to the endocrinologist for treatment and follow-up.
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