From: Clinical factors affecting pathological fracture and healing of unicameral bone cysts
Characteristics and treatments | Value (range) or No. of patients (%) |
---|---|
Sex | |
Male | 90 (64%) |
Female | 51 (36%) |
Age, years | |
Median (range) | 14 (2-58) |
Size, cm | |
Median (range) | 4.0 (0.9-25.0) |
Anatomic site | |
Humerus | 54 (38%) |
Calcaneus | 35 (25%) |
Femur | 31 (22%) |
Pelvis | 9 (6%) |
Tibia | 5 (4%) |
Fibula | 5 (4%) |
Others | 2 (1%) |
Pathological fracture at first visit | |
Yes | 59 (42%) |
No | 82 (58%) |
Biopsy | |
Open | 25 (18%) |
Needle | 5 (4%) |
None | 111 (79%) |
Treatments | |
Observation | 77 (55%) |
Surgery | 64 (45%) |
Operative procedure at first time | |
Cannulated screws | 35 (55%) |
Curettage and graft | 12 (19%) |
Curettage | 3 (5%) |
Drilling | 3 (5%) |
Others | 11 (17%) |
No. of surgeries | |
Single | 50 (78%) |
Multiple | 14 (22%) |
Follow-up, months | |
Median (range) | 28.7 (6.0-178.8) |