4 Interesting Facts of Epidermoid cyst
- Benign nodular structure that contains fluid or semifluid material encapsulated by a wall of true epidermis
- Appearance can be clinically similar to that of Merkel cell cancer
- Unlike Merkel cell cancer, benign cysts are typically not pigmented, do not rapidly enlarge, and may occur in patients of any age
- Differentiated from Merkel cell cancer by examination of lesion (clinical, histopathologic, immunohistochemical, or a combination thereof)