Squamous Cell Carcinoma Developing in a Buccal Mucosa Graft after Urethroplasty: A Report of 2 Cases of Malignant Degeneration

Figure 2

Representative sections of the surgical specimen of case 1 (surgical biopsy of bulbar urethra). Well-differentiated squamous cell carcinoma with a horn-like appearance of pearls (full arrow) and surface erosion (empty arrow). The lesion invades the dermis and muscle tissue (staining with hematoxylin and eosin).