This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Larynx, Subject name: ENT
The preferred treatment of small early Verrucous carcinoma of the larynx is: 
Select and explain. 
A. Pulmonary surgery, B. Electron beam therapy, C. Total laryngectomy, D. Endoscopic removal
D: Endoscopic removal
Answer: D: Endoscopic removal 
Explanation: (d) Endoscopic removal(Ref. Cummings, 6th ed., 1626)Verrucous carcinoma is a rare laryngeal malignancy (comprising 1% of laryngeal carcinomas).It has a warty papillary surface. Biopsy shows hyperkeratosis and acanthosis.Here the tumour being highly differentiated and hence radioresistant, the treatment modality is primarily surgical.