Rodent ulcer is -
Ans. is 'c' i.e., Basal cell carcinomao Advanced basal cell carcinoma may ulcerate and extensive local invasion of bone or facial sinus may occur after many years of neglected or in unusually aggressive tumors, explaining the archaic designation rodent ulcer
Infectious ulcer
Hypersensitivity
Basal cell carcinoma
Squamaous cell carcinoma