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. 2015 Jun 26;94(25):e1027. doi: 10.1097/MD.0000000000001027

FIGURE 4.

FIGURE 4

Case 20. SBC of the humerus of an 8-year-old boy. (A) An HA pin has been inserted into the cyst cavity after curettage and drilling. (B) Nine months after initial surgery, the cyst has enlarged. (C) A reoperation was performed, with curettage and artificial bone grafting. (D) Recurrence of the cyst occurred in part of the proximal artificial bone 23 months after reoperation. (E) Sixteen months after the third operation, the cyst has completely healed. HA = hydroxyapatite, SBC = simple bone cyst.