Sinuses & Rhinitis Flashcards
(38 cards)
Antrum of Highmore
Aka Maxillary sinus
Floor of maxillary sinus ?
Alveolar Process of Maxilla
Related to 2nd premolar & 1st Molar
Ethmoidal cell present below orbit ?
Haller cell
(HELL is below the eye)
Ethmoidal cell present most anteriorly ?
Agger Nasi
Can at times almost invade n pneumatize uncinate
Posterior Ethmoidal cell present near Optic ?
Onodi cell
Sinuses at Birth ?
” ME till im 15”
Maxillary and Ethmoidal
Both Complete by 12 to 15 yrs
Last to develop & Last to complete
Frontal
2nd yr of life ethamoidal cells grow into frontal bone
Finishes by 18yrs
Frontal
visible on xray by ?
Q2 no idea of question
8th yr
12th yr
Sphenoid sinuses develop by ?
Small sac present at birth
Develops by 5th yr
Cavernous sinus
Inside:
6.
Carotic plexus
ICA
Lateral wall - 3,4,V1 V2
Roof optic nerve
Tras sphenoidal Hypophysectomy deals with Sella types
Sella 90% > presellar 9% > cochal 1%
Bulla ethamoidalis is situated behind ?
Uncinate process
Aggar nasi communicates with ?
Situated where ?
Frontal sinus
Its situated just anterior to middle turbinate
Pnumatization of what leads to choncha bullosa ?
Middle turbinate
Drains into frontal or aggar nasi
Haller cells
At roof of maxillary sinus
Below choncha bullosa
Impeds maxillary drainage
Posterior ethamoidal air cell ?
Onodi cell
Post by spehnoid sinus or 1.5cm superior to it
IMPORTANT BECAUSE OF ITS OPTIC NERVE RELATION
Post 2/3rd of nose nerve ?
Sphenopalantine nerve
Septum and lateral wall
Nerve supplying Anterior Nd superior (lateral wall and septum)
Anterior ethamoidal nerve
Forceps used for Antral Lavage
Lich-twitz trochar and cannula
1.5- 2 cm from ant end of inferior turbinate
Causes of Primary Atropic Rhinitis
Hereditary Factors
Endocrine Disturbances
Racial
Nutritional (Deficiency A, D & iron )
Infective - Klebsiella ozaenae Diptherods Proteus vulgaris E. coli
Autoimmune
Treatment of Atropic Rhinitis
ATROPI IN YOUNG GIRLS
Antibiotic spray - Kemicetine
Teflon past submucosal inj
Remove Crust
Ostradiol spray
P- K iodine
Irrigation
Insertion of fat,bone etc
Youngs
Rhinitis sicca
Dry dusty
Ant 1/3rd crusting
Squamous metaplasia from ciliary col
& atrophy of seromucinous glands
Rhinitis Caseosa
U/l
Males
Cheesy material
Cronic sinusitis
Sinus mucosa becomes granulomatous
Bony sinus wall destroyed
Prognosis good
Rhinoscleroma caused by
Klebsiella rhinoscleroma