Fig. 7

Surgical treatment for a proximal humeral lesion and the postoperative roentgenogram. a, b The retracted hemicortical bone of the proximal humeral lesion was treated with liquid nitrogen (a) and was dissolved at room temperature, and washed by 0.3% iodine saline and distilled water (b). c The frozen autograft was returned to the original position with screw fixation, preserving axillary nerve. d Postoperative roentgenogram was shown