The Surgical Treatment of Pelvic Bone Metastases

Figure 4

Classification of acetabular defects according to Harrington. (a) Integrity of medial and superior periacetabular bone (Group I). (b) Medial wall insufficiency (Group II). (c) Medial wall and supra-acetabular destruction (Group III). Group IV (no image): total collapse of acetabulum.

(a)

(b)

(c)