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Obliterative sinusitis: An underreported clinical entity.

Amit B Desai1, Prasanna Vibhute1, Alok A Bhatt1

  • 1Department of Radiology, Mayo Clinic, 4500, San Pablo Rd. South, Jacksonville, FL 32224, USA.

Clinical Imaging
|October 11, 2021
PubMed
Summary
This summary is machine-generated.

Obliterative paranasal sinusitis, a rare end stage of chronic rhinosinusitis, involves new bone formation that can obscure sinus cavities. Early identification is crucial for surgical planning and patient outcomes.

Keywords:
Chronic rhinosinusitisNeo-osteogenesisObliterative sinusitisParanasal sinus

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Area of Science:

  • Otolaryngology
  • Radiology
  • Pathology

Background:

  • Obliterative paranasal sinusitis is an uncommon, end-stage complication of chronic rhinosinusitis.
  • It is characterized by excessive new bone formation, leading to sinus cavity obliteration.
  • This condition is frequently missed or misdiagnosed on imaging studies.

Purpose of the Study:

  • To present a series of cases involving obliterative sinusitis in the sphenoid and maxillary sinuses.
  • To emphasize the importance of recognizing obliterative sinusitis in radiological reports.
  • To differentiate it from other bone pathologies and arrested pneumatization.

Main Methods:

  • Retrospective case series analysis.
  • Review of imaging findings in patients with obliterative sinusitis.
  • Correlation of imaging findings with clinical presentation and surgical outcomes.

Main Results:

  • Demonstrated cases of complete or partial sinus obliteration due to neo-osteogenesis.
  • Highlighted the potential for misinterpretation as native bone or fibro-osseous lesions.
  • Emphasized the clinical implications for surgical candidates.

Conclusions:

  • Accurate identification of obliterative sinusitis is vital for appropriate patient management.
  • Radiologists should explicitly mention obliterative sinusitis to avoid confusion with other entities.
  • Awareness of this condition impacts surgical planning and prognostic assessment in chronic rhinosinusitis.