Do Not Miss the Tumor: A Novel Presentation of Osteosarcoma

Figure 2

Magnetic resonance imaging (MRI) of the thighs. Coronal T1-weighted (a) and fluid-sensitive (b) large-field-of-view images confirm a marrow replacement process centered within the left distal femoral metaphysis (star) with extraosseous extension (arrowheads) and proximal marked peritumoral bone marrow edema-like signal (arrow).

(a)

(b)