Table 3.
The characteristics and healing outcome of UBCs located in the humerus (n = 497)
| Treatment outcome | ||
|---|---|---|
| Success | Failure | |
| Sexa | ||
| Male | 132 (79.0) | 35 (21.0) |
| Female | 51 (82.3) | 11 (17.7) |
| Locationa | ||
| Metaphysis | 145 (73.6) | 52 (26.4) |
| Diaphysis | 31 (93.9) | 2 (6.1) |
| Activitya | ||
| Active | 31 (72.1) | 12 (27.9) |
| Latent | 31 (81.6) | 7 (18.4) |
| Treatment | ||
| Surgical curettage | 107 (77.0) | 32 (23.0) |
| No graft | 12 (63.2) | 7 (36.8) |
| Allograft | 23 (95.8) | 1 (4.2) |
| Autograft | 35 (74.5) | 12 (25.5) |
| Mix allograft + autograft | 11 (57.9) | 8 (42.1) |
| Allograft + bone marrow | 7 (78.5) | 1 (12.5) |
| Ceramic | 6 (100) | 0 (0) |
| Osteoset pellets | 13 (81.2) | 3 (18.8) |
| Injection | ||
| MPA | 86 (81.1) | 20 (18.9) |
| Bone marrow | 16 (72.7) | 6 (27.3) |
| Bone marrow + DBM | 28 (100) | 0 (0) |
| MPA + bone marrow | 2 (100) | 0 (0) |
| IM nail | 88 (96.7) | 3 (3.3) |
| Screws | 12 (85.7) | 2 (7.1) |
| Cyst excision | 39 (92.9) | 3 (14.7) |
| Conservative | 12 (22.6) | 41 (77.3) |
| Proximal metaphysis | 6 (12.8) | 41 (78.2) |
| Diaphysis | 4 (100) | 0 (0) |
Data were retrieved from these references: [6, 8, 9, 12, 13, 15, 21, 24, 25, 27, 30, 31, 38, 42, 43, 45, 46, 51, 54, 61, 65, 67]
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 %