Yellow arrows: subperiosteal bone resorption of the radial aspects of 2nd, 3rd, 4th and 5th finger proximal phalanges of the right hand.
Pink circle: ankylosis of the right fifth distal interphalangeal joint.
Lesion highlighted in green: brown tumour on 2nd proximal phalanx of the right hand.
Purple arrows: subperiosteal bone resorption of the radial aspects of 2nd, 3rd and 4th finger proximal phalanges of the left hand.
Red circle: ankylosis of the left fifth proximal interphalangeal joint.
Lesion highlighted in blue: brown tumour on 3rd metacarpal of the left hand.