Abstract. Primary hyperparathyroidism is a disease characterized with the excess secretion of parathormone. During the course of this disease, bone loss occurs, particularly depending on resorption in the skeletal system. One of the complications of primary hyperparathyroidism is fibrotic, cystic bone pathology which is called brown tumor. We have planned to present a 15-year-old Turkish female patient with primary hyperparathyroidism and multiple brown tumors depending on parathyroid adenoma and to discuss the radiological changes in the presentation article. Key words: Brown tumor, Primary hyperparathyroidism, Parathyroid adenoma