17.6.2013(ENT) 40 Flashcards
(118 cards)
Middle ethmoid air cell opens into
Bulla ethmoidalis
Accessory Ostia are found in
Posterior fontanelle
Piccadilly circle
Bulla ethmoidalis
Uncinate process
Ethmoidal infundibulum
Hiatus semilunaris
Frontal recesses
Nerve supply of septum
Nasopalatine nerve
Anterior ethmoidal nerve supplies
Anterosuperior part of lateral nasal wall
Fourth turbinate
Agger nasi
Drainage of sphenoid sinus
Sphenoethmoidal recess
Other name for ethmoidal bulla
Torus lateralis
Anterior nasal valve is formed by
Lower end of upper lateral cartilage
Haller cells belong to ___________ ethmoidal sinuses
Anterior
Maxillary artery branches supplying nose
Greater palatine
Sphenopalatine
Infraorbital
Movement of cilia is
Metachronus
Ciliary movement rate of nasal mucosa
5-10mm/min
Beat frequency of cilia
10Hz
Drugs causing Choanal atresia
Methimazole
Carbimazole
Second most common association in charge syndrome
Mental retardation
Chonal atresia is more common on
Right side
Rx of B/L Choanal atresia
McGovern technique(feeding nipple with large hole)
CT criteria for diagnosis of Choanal atresia
Posterior Choanal orifice is less than 0.34cm
Posterior vomer more than 0.55 cm
Septal deviation is more common in
Caucasian males
Stewart granuloma is
T/NK cell granuloma
Drug causing septal perforation
Cocaine
Percentage of newborns with septal deviation
20%
Structure not visualised on posterior rhinoscopy
Inferior meatus