The Scientific World Journal / 2012 / Article / Fig 16

Review Article

Imaging Review of Skeletal Tumors of the Pelvis Malignant Tumors and Tumor Mimics

Figure 16

Bone island. Incidental right ilium lesion noted in a 47-year-old patient presenting with hematuria diagnosed as a bone island. AP radiograph (a) depicts a large sclerotic lesion with speculated margins blending with surrounding trabecula, a characteristic finding of a bone island (enostosis). A bone island is cortical bone in the medullary cavity (b) and hence is of low signal in all MR sequences including axial T2 MRI (c).

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