Right thyroid goiter with calcifications.
Axial CT scan of maxillary sinusitis. Note air-fluid level in left maxillary sinus. (Courtesy of Dr. A. Waltzman)
Axial CT scan of choanal atresia (arrow indicated bony obstructive plate). (Courtesy of Dr. Papsin, HSC)
Nasopharyngeal Carcinoma Axial CT scan of expansive tumour arising in the nasopharynx and causing bilateral nasal obstruction. (Courtesy of Dr. Irish, UHN)
Lateral plain film. Note significant tonsillar (large arrow) and adenoid (small arrow) hypertrophy leading to significant narrowing of the nasal and oral airways. (Courtesy of Dr. Papsin, HSC)
