Vallecula sign is seen in
Depressing the tongue with a tongue depressor may show red and swollen epiglottis. Indirect laryngoscopy may show oedema and congestion of supraglottic structure. This examination is avoided for fear of precipitating complete obstruction. It is better done in the operation theatre where facilities for intubation are available. Ref: PL Dhingra 7th edition of Ear, Nose and Throat; Pg no 327
TB laryngitis
Vocal nodule
Inveed papilloma
Acute epiglottitis
Larynx