Verrucuous carcinoma is: (A) Extremely well differentiated squamous cell carcinoma, (B) Poorly differentiated squamous cell carcinoma, (C) Adenosquamous carcinoma, (D) Adenocarcinoma
Answer is A. Verrucous carcinoma (also known as Ackerman tumor) is an uncommon exophytic low-grade well-differentiated variant of squamous cell carcinoma. This neoplasm typically involves the oral cavity, larynx, genitalia, skin, and esophagus Refer robbins 9/e