In a patient with hyperparathyroidism, Xray of the hand shows characteristic radiologic changes in which of the following ?

In hyperparathyroidism there is subperiosteal bone resorption and it characteristically involves radial side of the middle phalanx of the middle finger, medial proximal tibia and lateral end of clavicle. Other radiologic features of hyperparathyroidism includes: Brown tumors: These are focal areas of bone resorption where the bone has been replaced by fibrous tissue and osteoclasts. In the spine, appearance of horizontal bands of sclerosis in the veebral bodies adjacent to the veebral end plates result in Rugger Jersey spine appearance. Chondrocalcinosis or calcification of the cailage Ref: Radiological Differential Diagnosis By Bhargava page 59. Skeletal Radiology: The Bare Bones By Felix S. Chew page 282.