PMC6195919_01
(a) Anterior-posterior and (b) lateral plain radiographs of the distal right femur.
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fig1
Initial plain radiographic assessment (Figure 1) delineated a well-defined, smooth, fusiform intracortical lesion.
Coronal (a) T
1 weighted and (b) short tau inversion-recovery images of the distal right femur demonstrating an intracortical lesion with completely lipomatous signal characteristics.
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fig2
An MRI examination (Figures 2 and 3) demonstrated a completely enclosed lesion within the femoral cortex returning fat signal characteristics without other tissue, identical to bone marrow within the intramedullary canal.
Axial (a) proton density and (b) fat-suppressed proton density images of the distal right femoral lesions demonstrating equal cortical thickness both superficial and deep to the lesion with completely lipomatous intralesional signal characteristics.
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fig3
An MRI examination (Figures 2 and 3) demonstrated a completely enclosed lesion within the femoral cortex returning fat signal characteristics without other tissue, identical to bone marrow within the intramedullary canal.