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Updated: Apr 30, 2026

Endoscopic Endonasal Trans-sphenoidal Approach: Minimally Invasive Surgery for Pituitary Adenomas
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Sphenochoanal polyps and the optic nerve.

Tolgar Lütfi Kumral1, Güven Yildirim1, Yavuz Uyar1

  • 12 Department of Otolaryngology, Okmeydani Training and Research Hospital, Istanbul, Turkey.

Clinics and Practice
|April 26, 2014
PubMed
Summary

Sphenochoanal polyps, rare growths from the sphenoid sinus, can be misdiagnosed and pose surgical risks. This study details their features and optic nerve status during endoscopic removal.

Keywords:
injury.optic nervesphenochoanal polyp

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Area of Science:

  • Otorhinolaryngology
  • Neurosurgery
  • Radiology

Background:

  • Isolated sphenoid sinus pathology is rare, with sphenochoanal polyps presenting unique diagnostic and surgical challenges.
  • Sphenochoanal polyps originate from the sphenoid sinus's anterior wall and extend into the nasopharynx, often leading to misdiagnosis due to their atypical location.

Observation:

  • The clinical presentation and radiological findings of sphenochoanal polyps were analyzed.
  • Diagnostic imaging, including computed tomography (CT) and nasal endoscopy, is crucial for accurate differential diagnosis.
  • Surgical intervention for sphenochoanal polyps carries risks of injury to adjacent critical structures like the optic nerve, carotid artery, and brain.

Findings:

  • This case report highlights the specific clinical and radiological characteristics of a sphenochoanal polyp.
  • The study reviews the intraoperative monitoring and management of the optic nerve during endoscopic sphenochoanal polyp excision.

Implications:

  • Accurate diagnosis and careful surgical planning are essential to minimize complications associated with sphenochoanal polyps.
  • Understanding the anatomical risks is vital for surgeons performing endoscopic procedures in the sphenoid sinus region.
  • This work contributes to the literature on managing rare sinonasal pathologies and emphasizes the importance of neurovascular safety during endoscopic sinus surgery.