Merkel cell tumor (trabecular carcinoma)
Histologic Features
- A large, asymmetrical poorly confined neoplasm extending to the deep soft tissue, characterized by
- Closely packed uniform neoplastic cells which possess large, rounded vesiculated nuclei without prominent nucleoli
- Many mitoses
- Scattered necrotic neoplastic cells
- Trabeculae between irregularly shaped tumor lobules
- Inflammatory cells such as lymphocytes present at various foci
Updated Wednesday, July 31, 2013 8:30:48 PM