Palatal swelling revealing a secondary hyperparathyroidism: A case report.

•Secondary hyperparathyroidism is a common complication of chronic renal disease.•Brown tumors are rare benign bone tumors caused by exposure to excessive parathyroid hormone secretion during hyperparathyroidism.•Head and neck brown tumors are rare.•Brown tumors regress spontaneously, completely or at least partially after parathyroidectomy.