This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: ENT
An alcoholic presented with globus sensation in throat, cough and hoarseness. Larynx examination shows pseudosulcus in larynx. Pseudosulcus is seen in: 
Select and explain. 
A. Vocal abuse, B. Tuberculosis, C. Laryngopharyngeal reflux, D. Chronic steroid use
C: Laryngopharyngeal reflux
Answer: C: Laryngopharyngeal reflux 
Explanation: Pseudosulcus is edema of the under surface of vocal cords giving a false impression of a sulcus vocalis; due to acid reflux into the larynx in laryngopharyngeal reflux (LPR). Laryngeal findings in LPR: Vocal cord granuloma or pseudo sulcus vocalis Posterior laryngeal hyperophy Laryngeal edema and erythema Cobblestoning Posterior commissure bar