Adenotonsillar disease Flashcards
What develops at 8 weeks from the first and second pharyngeal pouch
tonsillar fossa and palatine tonsil
where do tonsillar pillars originate from
2nd/3rd arches
what is th emain function of tonsils
trap bacteria and viruses on inhalation, antibodies are produced by immune system, prevent subsequent infectionsa
at what age is adenotonsillar enlargement unusual
under 2
what is the waldeyers ring
ring of lymphoid aggregation in sub epithelial layer of oropharynx and nasopharynx
what does the waldeyers ring consist of
tonsils, adenoids, lingual tonsil
what is the surface of the tonsil covered in
specialised stratified squamous epithelium
what is the tonsil and the muscle separated by
collagenous hemi-capsule cap
what is the main difference between adenoid and tonsil tissue
adenoids: deep folds and few crypts while tonsils have lots of crypts
what is the surface of adenoids covered in
pseudo stratified columnar epithelium
does the stratified squamous epithelium thin or thicken with a chronic infection
thickens
what type of epithelium lines the upper airway and digestive tract
ciliated columnar respiratory type mucosa, squamous mucosa
what type of epithelium lines the oesophagus ect
squamous
what type epithelium lines airways
columnar
What is acute tonsillitis
inflammation of the tonsils
is acute tonsillitis mainly viral or bacterial
viral
What is th emost common pathogen that presents with acute tonsillitis
H influenzaee or strep pyogenes
In patients with chronic tonsillitis, what organissms are commonly cultured
strep pyogenes, h influenza, staph aureus, strep pneumonia
If glandular fever is suspected, what tests should you order
Paul- Bunnell, WBC, atypical mononuclear cells
what would a differential list of acute tonsillitis look like
URTI viral, infectious mononucleiosis, peritonsillar abscesss, malignancy