Table 4.
The characteristics and healing outcome of UBCs located in the femur (n = 211)
| Treatment Outcome | ||
|---|---|---|
| Success | Failure | |
| Sexa | ||
| Male | 37 (75.5) | 12 (24.5) |
| Female | 30 (88.2) | 4 (11.8) |
| Locationa | ||
| Metaphysis | 99 (84.6) | 18 (15.4) |
| Diaphysis | 6 (100.0) | 0 (0) |
| Activitya | ||
| Active | 30 (75.0) | 10 (25.0) |
| Latent | 16 (84.2) | 3 (15.8) |
| Treatment | ||
| Surgical curettage | 63 (81,1) | 14 (18.2) |
| No graft | 13 (76.5) | 4 (23.5) |
| Allograft | 15 (88.2) | 2 (11.8) |
| Autograft | 18 (78.3) | 5 (21.7) |
| Ceramic | 7 (100) | 0 (0) |
| Osteoset pellets | 6 (85.7) | 1 (14.3) |
| Injection | ||
| MPA | 46 (76.7) | 14 (23.3) |
| Bone marrow | 10 (76.9) | 3 (23.1) |
| Bone marrow + DBM | 10 (100) | 0 (0) |
| IM nail | 32 (97.0) | 1 (3.0) |
| Screws | 2 (40.0) | 3 (60.0) |
| Cyst excision | 2 (100) | 0 (0) |
| Conservative | 7 (63.3) | 4 (36.4) |
| Metaphysis | 4 (50.0) | 4 (50.0) |
Data were retrieved from these references: [6, 8, 9, 12, 13, 15, 20, 21, 24, 25, 27, 30, 31, 38, 42–46, 54, 61]
MPA methylprednisolone, DBM demineralized bone matrix, IM nail Intramedulary nail, Screws continuous decompression with cannulated screws
aThe exact location of the cyst was not determined in all the papers; therefore, the percentages did not add up to 100 %