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Choanal polyps: one entity, one surgical approach?

A Lopatin1, V Bykova, G Piskunov

  • 1Clinical Centre of Rhinology, Presidential Medical Centre, Moscow, Russia.

Rhinology
|June 1, 1997
PubMed
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Choanal polyps (CP) can originate from various sinuses, including the maxillary, sphenoid, and ethmoids. Unusual origins may indicate inverted papilloma, but recurrence is rare after surgery.

Area of Science:

  • Otolaryngology
  • Rhinology
  • Head and Neck Surgery

Background:

  • Choanal polyps (CP) are benign growths originating from the paranasal sinuses.
  • Large CPs can obstruct the nasal cavity and nasopharynx, causing significant symptoms.

Purpose of the Study:

  • To investigate the origin and characteristics of large choanal polyps.
  • To evaluate the diagnostic utility of imaging and endoscopic surgery in identifying CP origin.
  • To assess the long-term recurrence rates of surgically treated CPs.

Main Methods:

  • Retrospective study of 20 consecutive patients with large CPs.
  • Diagnostic modalities included CT, MRI, and endoscopic sinus surgery.
  • Histopathological examination of polyps for morphological analysis and diagnosis.

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Main Results:

  • Maxillary sinus was the most common origin (n=11), followed by ethmoids (n=5) and sphenoid sinus (n=3).
  • One case each originated from the anterior ethmoids and the middle turbinate.
  • Inverted papilloma was diagnosed in two cases with unusual origins (sphenoid sinus and middle turbinate).

Conclusions:

  • Choanal polyps can be classified into antrochoanal, sphenochoanal, and ethmochoanal types based on origin.
  • Inverted papilloma should be considered in cases of atypical CP origin.
  • Surgical management of CPs demonstrated no recurrence in the follow-up period.