Surgical Resection of a Leiomyosarcoma of the Inferior Vena Cava Mimicking Hepatic Tumor

Figure 4

Histopathological findings. Microscopic examination revealed that the tumor consisted of uniform and spindle cells and had a fascicular growth pattern (Hematoxylin & Eosin: ×600) (a). Immunohistochemical staining revealed that α-SMA (×600) (b) and HHF35 (×600) (c) were expressed in this tumor; MIB-1 index was about 60% (Ki67: ×600) (d).

(a)

(b)

(c)

(d)