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1. radiopaedia.org › articles › patterns-of-sinonasal-obstructionPatterns of sinonasal obstruction | Radiology Reference Article...

   radiopaedia.org › articles › patterns-of-sinonasal-obstruction

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   2 wrz 2024 · Radiographic features. Babbel et al. described five patterns of sinonasal obstruction 1, which are readily apparent on CT and widely used: Infundibular pattern. opacification of maxillary sinus. obstruction of the ipsilateral maxillary ostium and infundibulum. causes: mucosal swelling, sinonasal polyp, Haller cells.

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   • Sinonasal Polyposis

     attenuation of the ethmoid sinus walls and nasal septum....

2. appliedradiology.com › articles › the-opacified-paranasal-sinus-approach-andThe opacified paranasal sinus: Approach and differential

   appliedradiology.com › articles › the-opacified-paranasal-sinus-approach-and

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   3 sie 2015 · The definitive treatment is surgical with endoscopic uncinectomy and opening of the maxillary ostium. 9 This will arrest disease progression; sinus volume typically stabilizes, although it may improve slightly or regain near normal configuration.

3. radiopaedia.org › articles › paranasal-sinus-mucoceleParanasal sinus mucocele | Radiology Reference Article -...

   radiopaedia.org › articles › paranasal-sinus-mucocele

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   19 cze 2024 · The presence of air within an affected sinus rules out the possibility of a mucocele 5. Plain radiograph. Skull radiographs do not have a significant role to play in the diagnosis of mucoceles. If obtained, they demonstrate opacification and expansion of the affected sinus. CT

4. www.ajronline.org › doi › fullMultiplanar Sinus CT: A Systematic Approach to Imaging Before ......

   www.ajronline.org › doi › full

   23 lis 2012 · The radiologist's role is to report on five key points: the extent of sinus opacification, opacification of sinus drainage pathways, anatomic variants, critical variants, and condition of soft tissues of the brain, neck, and orbits.

5. link.springer.com › chapter › 10Imaging of Sinonasal Disease (Infection, Tumors) | SpringerLink

   link.springer.com › chapter › 10

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   15 godz. temu · Mycetoma. (a) Axial bone algorithm CT shows opacification of the right maxillary sinus with calcifications (black arrow).(b) Axial soft tissue algorithm CT demonstrates calcifications and hyperattenuating components opacifying the right maxillary sinus (white arrow).(c) Axial T2W MRI demonstrates mucosal thickening of the right maxillary sinus (white curved arrow) and hypointense regions ...

6. www.ajronline.org › doi › fullImaging of Chronic and Exotic Sinonasal Disease: Review | AJR

   www.ajronline.org › doi › full

   1 gru 2007 · Objective. Chronic sinusitis is one of the most commonly diagnosed illnesses in the United States. The educational objectives of this review article are for the participant to exercise, self-assess, and improve his or her understanding of the imaging evaluation of sinonasal disease. Conclusion.

7. www.ncbi.nlm.nih.gov › pmc › articlesComparison of MRI and CT in the Evaluation of Unilateral...

   www.ncbi.nlm.nih.gov › pmc › articles

   9 lip 2021 · Objectives. To evaluate the diagnostic performance of MRI compared with CT in differentiating neoplastic from infectious/inflammatory causes of complete unilateral maxillary sinus opacification (UMSO). Although MRI is increasingly used, no studies validate its utility compared to CT or nasal endoscopy in this context. Methods.