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Olfactory dysfunction in nasal polyposis: correlation with computed tomography findings.

Iordanis Konstantinidis1, Stefanos Triaridis, Athanasia Printza

  • 11st Otorhinolaryngology Department, Aristotle University, Thessaloniki, Greece. jordan_orl@hotmail.com

ORL; Journal for Oto-Rhino-Laryngology and Its Related Specialties
|April 6, 2007
PubMed
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Computed tomography (CT) scans help assess olfactory loss in sinonasal disease, but do not predict long-term surgical outcomes for olfaction in nasal polyposis patients.

Area of Science:

  • Otolaryngology
  • Rhinosinusology
  • Medical Imaging

Background:

  • Olfactory dysfunction is a common symptom in sinonasal diseases, particularly nasal polyposis.
  • Accurate assessment of olfactory loss and prediction of surgical outcomes are crucial for patient management.

Purpose of the Study:

  • To evaluate the utility of computed tomography (CT) scans in assessing olfactory loss in sinonasal disease.
  • To determine if preoperative CT scans can predict long-term olfactory outcomes after endoscopic sinus surgery.

Main Methods:

  • Thirty-one patients with nasal polyposis underwent olfactory testing (Sniffin' Sticks, visual analogue scale) and CT scans (Lund-Mackay, Damm segmentation).
  • Patients were reassessed at least 1 year post-endoscopic sinus surgery.

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Main Results:

  • Obstruction in the upper and posterior middle meatus significantly impacted preoperative olfactory function.
  • Lund-Mackay scores correlated with preoperative olfactory tests, but not with long-term postoperative results.
  • Postoperative olfactory function decreased, with changes correlating only with the extent of disease in the anterior upper meatus preoperatively.

Conclusions:

  • Specific obstructed nasal areas, identified via CT, are strongly linked to olfactory dysfunction in nasal polyposis.
  • CT scans lack predictive value for long-term olfactory outcomes following surgical intervention.