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1. radiopaedia.org › articles › sinonasal-polyposisSinonasal polyposis | Radiology Reference Article -...

   radiopaedia.org › articles › sinonasal-polyposis

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   10 lis 2022 · Sinonasal polyposis refers to the presence of multiple benign polyps in the nasal cavity and paranasal sinuses. Epidemiology. Sinonasal polyposis is most commonly encountered in adults and rare in children. Polyps are the most common expansile lesions of the nasal cavity 8. Associations. Conditions known to be associated with polyps include 10:

2. radiopaedia.org › articles › antrochoanal-polyp-1Antrochoanal polyp | Radiology Reference Article -...

   radiopaedia.org › articles › antrochoanal-polyp-1

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   26 cze 2023 · Antrochoanal polyps (ACP) are solitary sinonasal polyps that arise within the maxillary sinus (antrum). They pass through and enlarge the sinus ostium and posterior nasal cavity at the level of the choana. Similar, less common, polyps can arise in the sphenoid sinus extending into the nasopharynx: these are termed sphenochoanal polyps.

3. link.springer.com › article › 10Sphenoid sinus anatomical variants and pathologies: pictorial...

   link.springer.com › article › 10

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   Multidetector computed tomography (CT) scan and magnetic resonance imaging (MRI) are the primary imaging modalities used to diagnose various forms of sphenoid sinus lesions and complications. We have compiled anatomic variants and various pathologies affecting sphenoid sinus lesions in this article.

4. journals.sagepub.com › doi › fullSeries of isolated sphenoid disease: Often neglected but perilous

   journals.sagepub.com › doi › full

   19 maj 2022 · Inflammatory etiology contributes 75% of ISSD, including bacteria, fungus, mucocele, retention cyst and polyp. 12 Despite inflammatory conditions being the most common, caution is needed when evaluating the sphenoid sinus in both symptomatic and asymptomatic patients.

5. pmc.ncbi.nlm.nih.gov › articles › PMC8184879Isolated sphenoid sinus opacification is often asymptomatic and...

   pmc.ncbi.nlm.nih.gov › articles › PMC8184879

   Isolated sphenoid sinus opacifications (ISSOs) are clinically important because they can lead to serious complications. However, some patients with ISSOs are asymptomatic, and not all patients are properly referred to the otolaryngology department.

6. pmc.ncbi.nlm.nih.gov › articles › PMC5635283Sphenoid Sinus Diseases: A Review of 1,442 Patients - PMC

   pmc.ncbi.nlm.nih.gov › articles › PMC5635283

   Lesions of the sphenoid sinus can be found early with neuroimaging, though a specific diagnosis requires an active process of examination, specific imaging, or surgery. Infection/inflammation was the most common pathology and malignancy was found in 7%.

7. www.ncbi.nlm.nih.gov › pmc › articlesIsolated sphenochoanal polyp: report of three cases - PMC

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

   The CT findings of the presence of a mass extending from the sphenoid sinus to the choana and nasopharynx, combined with normal ventilated ethmoid and maxillary sinuses, and expanded sphenoid sinus ostium suggest a sphenochoanal polyp.