Secretory otitis media (SOM)
1 Secretory otitis media (SOM)
1、DefinitionSOMisa conditioncharacterised bypresence of non-purulent fluid in the middle ear.synonyms: otitis media with effusionserous otitis media、mucoidotitis media、catarrhal otitis media、glueear.*classification:acuteandchronic.*commonlyseeninchildren
2 1、Definition * SOM is a condition characterised by presence of non-purulent fluid in the middle ear. * synonyms：otitis media with effusion、 serous otitis media、mucoid otitis media、 catarrhal otitis media 、glue ear. *classification: acute and chronic. * commonly seen in children
2、Causes:severalfactors may beattributed tothis:1.insuffciencyofeustachiantube:.mechanical obstruction:adenoid hyperplasianon-mechanicalobstruction:2.viralinfection:3.allergy:4.unresolvedacuteotitismedia
3 2、Causes: several factors may be attributed to this： 1.insuffciency of eustachian tube： •mechanical obstruction：adenoid hyperplasia •non-mechanical obstruction： 2.viral infection： 3.allergy： 4.unresolved acute otitis media
中耳炎的病因鼻肥鼻腺变炎气咽样大咽态压部填体性反改肥鼻肿塞症应变炎瘤大耳管功能紊乱化脓性中耳炎I化胶性中耳炎分泌性中耳炎1分泌性中再炎急、机理丶继发感染性愈抗生素量不足隆愈慢慢性性分类与转归单胆骨粘鼓蓝后脂纯疡室鼓连型型型天硬膜性中中中继化中发耳耳耳症耳笨性炎炎炎后天原发性
4 中耳炎的病因、机理、分类与转归
adenoidhyperplasia0中auX-rayEndoscopy5
5 adenoid hyperplasia Endoscopy X-ray
Carcinoma of the nasopharynx6
6 Carcinoma of the nasopharynx
Comparation ofeustachiantubeshorter,wider,morehorizontalstraightchildrenadult
7 Comparation of eustachian tube shorter, wider, more horizontal, straight children adult
3、clinicalmanifestation:symptoms:1、hearingloss2、earaches3、tinnitus8
8 3、clinical manifestation: symptoms: 1、hearing loss 2、earaches 3、tinnitus
Earexamination:1、otoscopicfindings:*the tympanic membrane is usually dull andretracted withloss oflight reflex.*fluidfilled inthe middle ear:horizontal orcresentic line,bubbles,colourchangedO
9 Ear examination: 1、otoscopic findings: *the tympanic membrane is usually dull and retracted with loss of light reflex. *fluid filled in the middle ear：horizontal or cresentic line, bubbles, colour changed
The image oftympanic membraneDull oftympanic membranefluid filled in the middleear10
10 The image of tympanic membrane Dull of tympanic membrane fluid filled in the middle ear