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An initial anteroposterior radiograph of the right thigh shows a soft tissue mass.
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There were no calcification related to the lesion (Fig. 2).
Sonographic findings of the intramuscular diffuse-type giant cell tumor. Sonography revealed a heterogeneous echoic mass with a hypechoic central portion.
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T1-weighted axial (a), enhanced T1-weighted fat saturated axial (b) and T2-weighted sagittal (c) MRI of the intramuscular diffuse-type giant cell tumor. T1-weighted images of the thigh shows a soft-tissue mass confined to the Rectus Femoris muscle (a). The signal intensity was less than of subcutaneous fat. The mass contains regions of low signal intensity. The major portion of the mass showed enhancement after gadolinium enhancement (b). On T2-weighted images (c), the tumor was heterogenous, it was hyper intense with focal areas of low signal intensity within the mass.
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T2-weighted images, the tumor was heterogenous, it was hyper intense with focal areas of low signal intensity within the mass. The major portion of the mass showed enhancement after gadolinium enhancement (Fig. 4).
Histologic findings of the intramuscular diffuse-type giant cell tumor.
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