tailieunhanh - Complications of Rhinosinusitis Synopsis of Critical Sequelae

PDC play a key role in the detection and defence against viruses in the nasal epithelium. After recognizing viruses they start producing large amounts of IFN-alpha. Hartmann et al. showed that the healthy nasal epithelium contains relatively high numbers of PDC and MDC. Whereas PDC levels are decreased in asymptomatic patients with chronic nasal allergy and increased during infectious inflammation. These results indicate the importance of PDC against viral invaders, because of the presence of high numbers of PDC in the healthy nasal mucosa. This also explains why patients with allergy are more susceptible to a more severe course of. | Complications of Rhinosinusitis Synopsis ofCritical Sequelae I consider myself a pragmatist. Viet Pham . Patricia Maeso . The University of Texas Medical Branch utmb Health Department of Otolaryngology Grand Rounds Presentation April 22 2010 All images obtained via Google search unless otherwise specified. All images used without permission. Outline Anatomy Rhinosinusitis o Acute o Chronic Complications o Orbital o Intracranial o Bony Conclusion Frontal sinuses Etvmrial ar cels OiM Nasotacnmal duct Sphencrdal -sinuses - Mankiry Standring S ed. Gray s Anatomy 40th Ed. Spain Churchill Livingstone 2008. Anatomy Maxillary Sinus Largest and first sinus to develop o o At 3 months gestation Volume 6-8cm3 at birth o Volume 15cm3 by adulthood Biphasic periods of rapid growth Uncinate process Suprabu liar recess Sinus lateralis a elrinizi da s Hatussemu naris Ẽ Ihino da LILim Kennedy DW Bolger WE Zinreich SJ eds. Diseases of the Sinuses - Diagnosis and Management. Hamilton BC Decker 2001. o First 3 years and between 7-18 years o Coincides with dental development Natural ostium drains into ethmoidal o Accessory ostia in 15-40 o Haller cell can impair drainage Notes The anterior wall forms the facial surface of the maxilla the posterior wall borders the infratemporal fossa the medial wall constitutes the lateral wall of the nasal cavity the floor of the sinus is the alveolar process and the superior wall serves as the orbital .

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