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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....

   • Acute sinusitis

     Opacification of the sinuses and gas-fluid level best seen...

2. radiopaedia.org › articles › acute-sinusitisAcute sinusitis | Radiology Reference Article - Radiopaedia.org

   radiopaedia.org › articles › acute-sinusitis

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   26 lip 2024 · Opacification of the sinuses and gas-fluid level best seen in the maxillary sinus. It does not allow assessment of the extent of the inflammation and its complications. Ethmoidal and sphenoidal sinuses are difficult to assess on plain radiography.

3. 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 · However, there is a differential for an opacified paranasal sinus (Table 1). This article will present the typical appearances of these entities and demonstrate the benefit of a systematic approach in the evaluation of an opacified sinus (Table 2).

4. emedicine.medscape.com › article › 384649Sinusitis (Rhinosinusitis) Imaging: Practice Essentials,...

   emedicine.medscape.com › article › 384649

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   Computed tomography (CT) scanning is the examination of choice in sinusitis, particularly in cases of chronic sinus disease, providing excellent detail of sinus anatomy. However, CT is...

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 › 10Imaging of Chronic and Exotic Sinonasal Disease: Review | AJR

   www.ajronline.org › doi › 10

   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.ajronline.org › doi › fullThe Silent Sinus Syndrome: Clinical and Radiographic Findings

   www.ajronline.org › doi › full

   Although the diagnosis is usually suspected clinically, it is confirmed radiologically by characteristic imaging features that include maxillary sinus outlet obstruction, sinus opacification, and sinus volume loss caused by inward retraction of the sinus walls. Introduction.