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Related Experiment Videos

Inverted papilloma: a report of 112 cases

W Lawson1, B T Ho, C M Shaari

  • 1Department of Otolaryngology, Mount Sinai Medical Center, New York.

The Laryngoscope
|March 1, 1995
PubMed
Summary

Inverted papilloma, a sinonasal tumor, requires prompt surgical intervention. Complete surgical removal is recommended to minimize recurrence and malignant transformation risks.

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Area of Science:

  • Otolaryngology
  • Head and Neck Surgery
  • Oncology

Background:

  • Inverted papilloma is a benign sinonasal tumor.
  • It exhibits local aggressiveness and malignant potential.
  • Clinical examination may underestimate tumor extent.

Purpose of the Study:

  • To update the experience of treating 112 patients with inverted papilloma over 20 years.
  • To evaluate treatment outcomes and recurrence rates.
  • To discuss management principles and literature review.

Main Methods:

  • Retrospective review of 112 patients treated at Mount Sinai Medical Center.
  • Surgical interventions included complete en bloc excision (lateral rhinotomy and medial maxillectomy) and conservative therapies (intranasal or transantral ethmoidectomy).
  • Preoperative radiographic assessment was crucial for surgical planning.

Main Results:

  • Complete en bloc excision was performed in 84% of patients.
  • Recurrence rates were 14% for en bloc excision and 20% for conservative therapy.
  • Squamous cell carcinoma developed in 5% of cases.
  • Recurrences primarily occurred in the maxillary antrum and ethmoid labyrinth.

Conclusions:

  • Lateral rhinotomy and medial maxillectomy remain the standard therapy for most inverted papilloma cases.
  • Early and complete surgical excision is vital due to recurrence potential and malignant transformation.
  • Aggressive management is necessary, especially in cases with skull base erosion.

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