Fig. 1From: An unusual case of proximal humeral simple bone cyst in an adult from secondary cystic change a–c AP views of the right shoulder. a initial presentation, showing a sclerotic medullary lesion in the proximal humerus with foci of calcifications. b At 3 years later, showing enlargement of the tumor with endosteal thinning and lucent lytic changes typical of simple bone cyst. c After intralesional curettage and reconstruction of the lytic defect using Biopex Back to article page