Osteolytic lesions (brown tumors) of primary hyperparathyroidism misdiagnosed as multifocal giant cell tumor of the distal ulna andradius

• Main Authors: Panagopoulos, A., Tatani, I., Kourea, H. P., Kokkalis, Z.T., Panagopoulos, K., Megas, P.
• Other Authors: Παναγόπουλος, Ανδρέας
• Format: Journal (paper)
• Language: English
• Published: 2019
• Subjects: Brown tumor; Primary hyperparathyroidism; Giant cell tumor; Parathyroid carcinoma

BACKGROUND: Brown tumors represent a rare clinical manifestation reported in approximately 3% of patients with primary hyperparathyroidism and correspond to radiologically osteolytic lesions with well-defined borders in different parts of the skeleton. CASE PRESENTATION: We report the case of a 53-...