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Fig. 4 | Surgical Case Reports

Fig. 4

From: Primary leiomyosarcoma of the inferior vena cava in a pediatric case: a case report and literature review

Fig. 4

a, b Low-power (20×) image (a) and a high-power (100×) image (b) of the IVC lesion; spindle-shaped atypical cells are densely proliferated in a bundle-like structure. Polygonal and multinucleated atypical cells are also seen. Inside the white dotted line: tumor; arrow: IVC. c, d Immunohistochemistry: atypical cells were desmin-positive (c) and αSMA-positive (d). IVC inferior vena cava, αSMA α-smooth muscle actin

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