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