Fig. 3
From: Application of distraction osteogenesis in managing bone cysts
a X-ray of unicameral bone cyst (UBC) of right humerus in an 11-year-old boy. b Application of external fixator and first-level osteotomy with coaptation. c Three months after filling the distal part of the cystic cavity, we performed a second proximal-level osteotomy and distraction. d Capanna grade 2 healing with residual cavity