Other<unk>  studies involves the use of fibreoptic laryngoscope which shows the omega sign. This refers to the thickened aryepiglottic folds and epiglottis seen in epiglottitis, when the larynx is seen endoscopically or via laryngoscope as shown below.
Epiglottitis other diagnostic studies
Adenoiditis other diagnostic studies
Epiglottitis differential diagnosis
Peritonsillar abscess risk factors
Adenoiditis risk factors
Rhinitis other diagnostic studies
Epiglottitis risk factors
Odynophagia other diagnostic studies