Opthamology and ENT Flashcards
List three acquired causes of deafness in children
prenatal- CMV, rubella
perinatal- hypoxia, jaundice
postnatal- head injury, jaundice
List one congenital cause of deafness?
1/3 syndroms
2/3 autosomal recessive mutation
What mutation is found in AR causes of deafness?
26 gap junction protein gene
List two causes of transient conductive deafness
otitis media with effusion
middle ear effusion
What is another name for otitis media with effusion?
glue ear
What are grommets?
small ventilation tubes that are inserted into the
tympanic membrane and are very effective in getting rid of the fluid and
improving the hearing back to normal.
What is the management of middle ear effsion?
watch and wait
grommets
adenoids removal
What is a key question to ask in the history with ENT complaint
sleep quality- obstructive sleep apnoea concern
What is the most common cause of acute stridor in children?
croup
What is the investigation for chronic stridor?
airway endoscopy
What is a common cause of chronic stridor?
laryngomalacia
Define amblyopia
poor vision in a structurally normal eye
Causes of ambylopia?
o Reduced view through eye, e.g. ptosis or cataract
o Unequal focus, e.g. one eye is more long or short sighted =
anisometropia
o Misalignment of eyes, e.g. squint
Treatment for ambylopia?
An occluding patch or atropine eye drops are used to treat of amblyopia and improve
vision. The better eye is occluded, forcing the poorer eye to be used to see
Two differentials for leukocoria?
= white pupil congenital cataract retinoblastoma retinal detachment uveitis
Anterior uveitis is a sign of which childhood disease?
juvenile idiopathic arthritis
Dislocated lens is a sign of which syndrome?
marfan’s
Lisch nodules are seen in which disease?
NF1
What is the pathophysiology of retinopathy of prematurity?
peripheral retina is not vascularised at birth- growth of new veseels and scarring
Two risk factors for retinopathy of prematurity?
low birth weight
premature <36 weeks
100% oxygen
List three triggers for allergic conjunctivitis
seasonal-grass tree pollen
dust mite
animal dander
What is opthalmia neonatorium?
conjuncitivits within first month of life, organism acquired from birth canal
Name two organisms associated with opthalmia neonatorum?
gonococcal
chlamydia
HSV
Two complications of opthalmia neonatorum?
meningitis
cerebral abscess
periorbital abscess
How to tell the difference between preseptal cellulitis and orbital cellulitis?
ocular motility pain and restricted, visual acuity and colour vision reduced in orbital cellulitis
A 15 year old girl of Arabic origin presents with a right sided, painless, non-tender thyroid swelling, lasting four months. She has a family history of hypothyroidism. Examination reveals enlarged cervical lymph nodes on the ipsilateral side. Her TSH is 2.8mU/l. Thyroid ultrasound reveals a 3.2cm well circumscribed lesion. What is the most likely diagnosis?
papillary carcinoma