PMC9581627_01
Intraoral photograph showing an elastic soft mass measuring 10 mm in diameter in the left tongue (arrowhead). The overlying mucosa is normal.
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The overlying mucosa was normal (Figure 1).
Magnetic resonance imaging findings. (a) T1-weighted axial image showing low signal intensity within the lesion (arrowhead). (b) T2-weighted axial image showing increased signal intensity within the lesion (arrowhead).
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T2-weighted images, increased signal intensity was noted within the lesion (Figure 2).
Photograph showing the resected tumor (arrowhead) surrounded by the muscle of the tongue.
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Finally, the whole tumor with surrounding soft tissue was obtained as a surgical specimen (Figure 3).
Photomicrograph showing stellate and spindle-shaped cells with no atypia in the abundant myxoid extracellular matrix (hematoxylin-eosin stain, x100). T: tumor, C: fibrous capsule, M: muscle of the tongue.
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Stellate and spindle-shaped cells with no atypia were observed within an abundant myxoid extracellular matrix (Figure 4).
Histopathologic photograph showing the results of immunohistochemical analyses for vimentin, which is positive in the tumor cells (vimentin, x400).
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Immunohistochemical analysis revealed that the tumor cells were positive for vimentin (Figure 5) and negative for desmin and cyclin-dependent kinase 4.