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Sinonasal polyposis
J Drutman1, R W Babbel, H R Harnsberger
1Department of Radiology, University of Utah Medical Center, Salt Lake City 84132.
Seminars in Ultrasound, CT, and MR
|December 1, 1991
Summary
Sinonasal Ppolyposis (SNP) on SSCT scans shows distinct patterns, aiding diagnosis. Early identification of SNP on SSCT scans guides effective treatment and management.
Area of Science:
- Otolaryngology
- Radiology
- Medical Imaging
Background:
- Sinonasal polyposis (SNP) is a common sinonasal entity.
- SNP is characterized by nasal polypoid masses and infundibular enlargement.
- Patients may present with symptoms like nasal stuffiness, rhinorrhea, facial pain, and headaches.
Purpose of the Study:
- To describe the Sinus and Skull CT (SSCT) findings characteristic of SNP.
- To highlight the diagnostic utility of SSCT in identifying SNP patterns.
- To emphasize the role of SSCT in guiding appropriate therapeutic interventions for SNP.
Main Methods:
- Review of Sinus and Skull CT (SSCT) findings in patients with SNP.
- Identification of major and minor imaging features associated with SNP.
- Correlation of imaging findings with clinical presentation and associations.
Main Results:
- SSCT findings are nearly diagnostic for SNP, with major features including nasal polypoid masses and infundibular enlargement.
- Minor findings like nasal septal and sinus trabeculae attenuation and bulging of lateral ethmoid sinus walls support the diagnosis.
- Air/fluid levels are frequent but do not always indicate acute sinusitis.
Conclusions:
- The SSCT pattern is highly suggestive of SNP, aiding otolaryngologists in initiating timely and appropriate therapy.
- SSCT serves as an adequate and detailed roadmap for endoscopic surgeons.
- Recurrences are common, necessitating ongoing management strategies.