Two Cases of Ectopic Hamartomatous Thymoma Masquerading as Sarcoma

Figure 4

Hematoxylin and eosin (HE) staining findings in Case 2 (×100). (a) Plump to thin spindle cells with a low degree of cellular atypia and low mitotic activity can be observed. (b) Adipose cells can be observed within the tumor.