Metacarpal Brown Tumor in Secondary Hyperparathyroidism Due to Vitamin-D Deficiency

¹ Departments of Endocrinology (E.E., M.K., C.E., and S.I.), Orthopedics (T.K.), and Pathology (G.F.), Uludag University School of Medicine, Gorukle 16059 Bursa, Turkey. E-mail address for E. Erturk: [email protected]