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What are the 6 types of cells found in olfactyory epithelium
I) Ciliated bipolar receptor cells:
II) Microvillar cells:
III) Sustentacular cells
: insulate bipolar cells
IV) Lining epithelium of Bowman’s glands & ducts
V) Horizontal (dark) basal cells
VI) Globose (light) basal cells
4 types of nasal epithelium?
1. Pseudostratified ciliated columnar
2. Pseudostratified non-ciliated columnar
3. Goblet cells
4. Basal cells
(Nasal vestibule
: stratified squamous epithelium)
What factors are present in nasal secretions to fight infections?
1. IgA
2. IgG
3. Interferon
4. Lysozymes
5. Lactoferon
5 foramen of the maxilla
Infraorbital foramen
Greater palatine foramen
Lesser palatine foramen
Incisive foramina
Maxillary ostium
Derivatives of the ethmoturbinals?
1. First
: ascending portion = agger nasi
2. First
: descending portion = uncinate
3. Second
: middle turbinate
4. Fourth and fifth
: superior turbinate
5. Maxilloturbinal
: inferior turbinate
4 lamella of paranasal sinuses?
1. Uncinate
2. Ethmoid bulla
3. Basal lamella of MT
4. Basal lamella of ST
Types of pneumatization of sphenoid sinus?
1. Sellar (86%)
2. Presellar (11%)
3. Conchal (3%)
Anatomic landmarks and distances for anterior ethmoid artery ligation?
AEA is 14 - 22 mm posterior to the anterior lacrimal crest along the ethmofrontal suture
PEA is 10 - 12 mm posterior to AEA
Optic nerve is 4 to 7 mm posterior to PEA
Kero's classification of crista galli relative to lateral lamella of cribriform plate
Type I
: 1 -3 mm
Type II 4 - 8 mm
Type III 8 - 16 mm
Type IV asymmetric
Most common benign nasal lesions?
Osteoma
Hemangioma
Papilloma
Angiofibroma
5 types of nasopharyngeal cysts?
Rathke's pouch cyst
Thornwaldt's cyst
Intra-adenoidal cyst
Extra-adenoidal cyst
Branchial cleft cyst
6 Features of Kartagener's SYndrome
I)
Autosomal recessive inherited lack of dynein arms in A-tubules (9+2 microtubule structure)
Sx:
i) Sinusitis
ii) Bronchiectasis
iii) Chronic cough
iv) Situs inversus & dextrocardia
v) Infertility (♂)
vi) Otitis media
DDx of small round cells on nasal biopsy
Rhabdomyosarcoma
Esthesioneuroblastoma
Lymphoma
Melanoma
SNUC
hemangiopericytoma
Immature teratoma
Carcinoid
Superior orbital fissure syndrome?
Contents of SOF affected:
Branches of opthalmic division of trigeminal nerve
III, IV, and VI nerves
Resulting in
: proptosis, orbital pain, ophthalmoplegia, ptosis, forehead parasthesias
Kallmann's syndrome characteristics:
Inadequate GnRH secretion by hypothalamas
Hypogonadotropic hypogonadism
Micropenis
Cryptorchidism
Unilateral renal agenesis
Agenesis of olfactory lobes (anosmia)
Deafness
midline facial deformities
Diabetes
Author
cxuofa
ID
212535
Card Set
Rhinology
Description
ABRS, CRS, polyposis, nose,
Updated
4/10/2013, 2:05:46 AM
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