Foreign Body

Coin lodged in esophagus. (Courtesy Dr. A. Waitzman)

Epiglottitis

“Thumb sign” showing a swollen epiglottis seen just at level of hyoid bone. (Courtesy Dr. M. Mian)

Croup

“Steeple sign” showing inflammation of tissues in narrow subglottic space. (Courtesy Dr. M. Mian)

Maxillary Sinusitis

Axial CT scan of maxillary sinusitis. Note air-fluid level in left maxillary sinus. (Courtesy of Dr. A. Waltzman)