Fig. 1
From: Active unicameral bone cysts: control firstly, cure secondly
Limb deformities caused by focal curettage and bone grafting to treat an active unicameral bone cyst (AUBC). a A 5-year-old boy with a left proximal humerus AUBC and a pathological fracture. b Curettage and bone grafting were performed, and forearm suspension was limited for 2 months postoperative. c Partial healing of the cyst with slight deformity 3 months postoperative. d The cyst healed completely, and the proximal humerus showed obvious deformities at 9 months postoperative