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Fig. 7 | Journal of Cardiothoracic Surgery

Fig. 7

From: Intimal spindle cell sarcoma masquerading as adult-onset symptomatic pulmonic stenosis: a case report and review of the literature

Fig. 7

Histopathology. Panel a Haematoxylin and Eosin (H&E) stained sections show spindled tumor cells lining the intimal surfaces of the pulmonary artery and pulmonic valve as well as forming nodules with infiltrative borders that are arranged in fascicles (original magnification 40×). Panel b Magnified H&E section demonstrates a high degree of nuclear atypia (original magnification 400×). Panel c Immunohistochemical staining demonstrates tumor cells that are positive for smooth muscle actin (SMA) (original magnification 400×)

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