Radiation-Induced Sarcoma following Prolonged Coronary Stent Placement

Figure 2

Undifferentiated pleomorphic sarcoma on microscopic analysis: H&E section (200x magnification) showing cellular spindle cell neoplasm with fascicular growth pattern (a). H&E section (400x magnification) showing pleomorphic vesicular nuclei with irregular nuclear contours and mitotic activity (b). Immunohistochemical stain (400x magnification) for vimentin strongly positive within neoplastic cells (c).

(a)

(b)

(c)