Fig. 4
From: Lost bones: differential diagnosis of acro-osteolysis seen by the pediatric rheumatologist
Frontal radiograph of the left hand in a 14 year old male patient with hyperparathyroidism demonstrates acro-osteolysis (arrowheads), subperiosteal resorption at the middle phalanges (small arrows), brown tumors (large arrows) and diffuse osteopenia