蒂板游冠Lamine cribrosaCrista galli佛小房Cellulae ethmoidalesOrbita主泰甲Concha nasalis superior.垂直板Lamina perpendicularis上界滩Meatus nasisuperior.钩突Processus uncinatus中鼻甲Concha nasalis media中鼻范Meatus nasi medius上领家Sinus maxillaris下象甲下鼻道Concha nasalis inferiorMeatus nasi inferior车性康仔VomerMaxilla31颜骨冠状切的后面观（示筛小房）Posterior aspect of coronal section of the skull.Showing the ethmoidal cellule
3Frontal SinusEthmoid SinusMaxillary Sinus
Frontal Sinus Ethmoid Sinus Maxillary Sinus
Acute sinusitis definitionAcuteinflammationof sinusmucosaiscalled acute sinusitis.The sinus mostcommonlyinvolvedis the maxillaryfollowedinturnby ethmoid,frontal andsphenoid.Very often,more than onesinus is infected (multisinusitis).Sometimes,all the sinuses of one orbothsides are involved simultaneoudly(pansinusitisuniltateralorbilateral)
Acute sinusitis definition • Acute inflammation of sinus mucosa is called acute sinusitis. The sinus most commonly involved is the maxillary followed in turn by ethmoid , frontal and sphenoid. Very often , more than one sinus is infected (multisinusitis). Sometimes, all the sinuses of one or both sides are involved simultaneoudly (pansinusitis uniltateral or bilateral)
Three types of infectionBacterial.Viral? fungal
Three types of infection • Bacterial • Viral • fungal
Etiological factorof adult acute bacterial rhinosinusitisStaphylococcusaureusOtherbacteria0-8%4%Anaerobes0-9%S.pneumoniaeOtherstreptococci3-9%20-43%2-10%Moraxellacatarrhalis22-35%H.influenzaeSAHP.OtolaryngolHeadNeckSurg.2004130:1-45
SAHP. Otolaryngol Head Neck Surg.2004;130:1-45. 20-43% 22-35% Anaerobes 0-9% Staphylococcus aureus 0-8% Other bacteria 4% Moraxella catarrhalis Other streptococci 3-9% 2-10% S. pneumoniae Etiological factor of adult acute bacterial rhinosinusitis H. influenzae