Figure 4
From: Inferior vena cava leiomyosarcoma: preoperative diagnosis and surgical management
Inferior vena cava leiomyosarcoma histological features. (A) Microphotograph of the tumor with hematoxylin and eosin stain showing moderately differentiated IVC leiomyosarcoma, with frequent areas of hyalinization, foci of nuclear hyperchromatism and pleomorphism, and images of intraluminal growth. (B) Microphotograph of immunohistochemical actin stain, showing positive tumor cells with smooth muscle markers.