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Tumeur brune du genou révélant une hyperparathyroïdie primitive : à propos d’un cas Volume 72, issue 2, Mars-Avril 2014

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Authors
1 Department of internal medicine and cardiology, El Okbi Hospital, Guelma, Algeria
2 Laboratory of medical biochemistry, IBN Zohr Hospital, Guelma, Algeria
3 Department of hematology, IBN Zohr Hospital, Guelma, Algeria

Primary hyperparathyroidism is a common endocrine disorder, asymptomatic and diagnosed through a fortuitous hypercalcemia. Brown tumors are exceptional but severe hyperparathyroidism bone complications. We report in this paper an original observation of hyperparathyroidism due to a parathyroid adenoma presenting as a brown tumor. A 28 year-old girl admitted for a bone tumor of the knee, the blood test shows hypercalcemia with hyperparathyroidism, bone biopsy revealed giant cell lesions characteristic of brown tumors.