ipsilateral sensorineural hearing loss
differential diagnosisMeniere disease
sudden sensorineural hearing loss
<infection>
mumps hearing loss
Ramsay-Hunt syndrome(VZV)
<tumor>
cochleovestibular schwannoma
<trauma>
perilymph fistula(PLF,外リンパ瘻)
acoustic trauma (nose induced hearing loss)
→ ☆high frequency loss (loss of the cochlear base) caused by ☆trauma to the stereociliated cells of the organ of Corti
motor innervation of the tongueCN Ⅹ→ ☆palatoglossus(elevates posterior tongue while swallowing)
CN Ⅻ→ genioglossus(protrudes tongue), hyoglossus (retracts and depresses tongue), and styloglossus (draws sides of tongue upward to create a trough for swallowing). neurologyENT HirotoShishido
surgical procedures for acute otitis media (AOM)Indications
Not routinely indicated in acute AOM
Consider for patients with treatment failure or recurrent infection.
Procedures
・Myringotomy
Surgical incision into the tympanic membrane to drain fluid to relieve pressure/pain
Consider as an adjunct to antibiotic therapy for severe otalgia and a ☆bulging tympanic membrane
・Myringotomy with tympanostomy tube insertion
for chronic otitis media infectious diseaseENT国試過去3年 HirotoShishido
management of otitis media with effusionPatients without speech impairement at the time of diagnosis: ★monitor for 3 months
Patients with speech impairement or persistent OME at follow-up
Age < 4 years: placement of tympanostomy tubes
Age ≥ 4 years: placement of tympanostomy tubes and/or adenoidectomy ENTpediatricsUWorld step2CK HirotoShishido
