A Case of Vitamin D Deficiency with Secondary Hyperparathyroidism and Brown Tumor / 대한골다공증학회지

ABSTRACT

The importance of vitamin D for skeletal health is well known. Vitamin D deficiency causes secondary hyperparathyroidism, high bone turnover, bone loss, and osteoporotic fractures. We report a case of a 60-year-old women presenting with brown tumor in the proximal femur secondary to vitamin D deficiency and secondary hyperparathyroidism. She took calcium supplements and vitamin D3 for 1 year and half dose of risedronate was prescribed for 5 months. After 1 year, pain in the pelvis was much improved and Bone mineral density of the lumbar spine and femoral neck increased by 37% and 29%, respectively.