Paget disease of the L hemipelvis and L proximal femur

Paget disease of the L hemipelvis and L proximal femur (sparing the R) with coarse remodeling of bone, enlargement, and deformity of the pelvis. There is thickening of the iliopectineal line so characteristic of PDB, with accentuated trabeculae and thickened cortices. Protrusio and loss of joint space are present on the left.