A patient with hoarseness of voice was found to be having pachydermia laryngis. All of the following are true except:: (A) It is a hyperkeratotic lesion present within the anterior two-third of the vocal cords, (B) It is not premalignant lesion, (C) Diagnosis is made by biopsy, (D) On microscopy it shows acanthosis and hyperkeratosis
Answer is A. Pachydermia laryngis is a hyperkeratotic lesion involving posterior part of larynx. It is not premalignant. Biopsy is essential to exclude tuberculosis and cancer.