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Figure 11. A 56-year-old man with leiomyosarcoma of the tibia. (a) Sagittal T1 weighted MR image shows linearly orientated tumour occupying the proximal diaphysis of the tibia. (b) The tumour is hyperintense on this sagittal T2 weighted image with fat saturation demonstrating extension into the soft tissues. (c) Axial T1 fat-saturation image post-gadolinium shows tumour enhancement with cortical permeation and an adjacent soft tissue component. Images courtesy of Dr L M White, Mt Sinai Hospital, Toronto, ON.