<prompt> Tubercular laryngitis affects primarilyAnterior commissurePosterior commissure of larynxAnywhere within the larynxSuperior surface of larynx  <response>: The disease affects posterior pa of larynx more than anterior. Pas affected are i interarytenoid fold ii ventricular bands iii vocal cords and iv epiglottis, in that order. Tubercle bacilli, carried by sputum from the bronchi, settle and penetrate the intact laryngeal mucosa paicularly in the interarytenoid region bronchogenic spread. This leads to the formation of submucosal tubercles which may later caseate and ulcerate. Ref: PL Dhingra 6th edition of Ear, Nose and Throat; Pg no 293 