Table 1.
Patient details
| Patient number | Age (years) | Sex | Followup (months) | Acetabular bone defect characteristics | Individualized custom cage design |
|---|---|---|---|---|---|
| 1 | 79 | F | 48 | Paprosky IIIB, the superior migration was more than 3 cm. Severe osteolysis, mainly in the posterior portion of the acetabulum; CT scan and rapid-prototype model showed that more than four-fifths of the posterior acetabular wall was missing | Iliac wing + obturator hook |
| 2 | 56 | F | 50 | (Same as above) | (Same as above) |
| 3 | 59 | M | 43 | (Same as above) | (Same as above) |
| 4 | 72 | F | 48 | Paprosky IIIB, the superior migration was more than 3 cm. Severe osteolysis, mainly in the anterior portion of the acetabulum; CT scan and rapid-prototype model showed that more than four-fifths of the anterior acetabular wall was missing | (Same as above) |
| 5 | 67 | F | 45 | Paprosky IIIB, severe osteolysis, mainly in the inferior portion of the acetabulum; CT scan and rapid-prototype model showed the superior portion of the obturator was missing | Iliac wing + oblong cup |
| 6 | 70 | M | 90 | (Same as above) | Extended fixation braid + ischial flange |
| 7 | 69 | F | 73 | Paprosky IIIB, superior acetabulum defective; the superior migration was more than 3 cm; CT scan and rapid-prototype model showed a huge bone defect in the superior half of the acetabulum | Extended fixation braid + two crests + obturator hook |
| 8 | 59 | F | 78 | (Same as above) | (Same as above) |
| 9 | 70 | F | 46 | (Same as above) | (Same as above) |
| 10 | 71 | F | 104 | (Same as above) | (Same as above) |
| 11 | 64 | F | 48 | (Same as above) | Extended fixation braid + obturator hook |
| 12 | 68 | M | 120 | (Same as above) | Extended fixation braid + two crests |
| 13 | 59 | F | 108 | (Same as above) | Iliac wing + obturator hook |
| 14 | 63 | M | 116 | (Same as above) | Iliac wing + two crests + obturator hook |
| 15 | 57 | M | 72 | (Same as above) | (Same as above) |
| 16 | 68 | F | 37 | Paprosky IIIB, the superior migration was more than 3 cm; CT scan and rapid-prototype model showed 80% of the acetabular wall was missing | Extended iliac braid + two crests + obturator hook |
| 17 | 56 | F | 80 | (Same as above) | (Same as above) |
| 18 | 62 | F | 72 | (Same as above) | Extended iliac wing +obturator hook |
| 19 | 70 | F | 26 | (Same as above) | Iliac wing + 3-D print augment + obturator hook |
| 20 | 60 | M | 24 | (Same as above) | Iliac wing + 3-D print augment + obturator hook |
| 21 | 46 | M | 120 | Paprosky IIIB, pelvic discontinuity | Extended iliac braid + obturator hook |
| 22 | 70 | F | 93 | (Same as above) | Extended iliac braid + ischial flange |
| 23 | 69 | M | 53 | (Same as above) | Iliac wing + obturator hook |
| 24 | 56 | F | 24 | (Same as above) | Iliac wing + obturator hook |
3-D = three-dimensional.