Korean J Oral Maxillofac Radiol.  2009 Jun;39(2):103-107.

A case report of an inverted papilloma infiltrating into maxillary sinus

Affiliations
  • 1Department of Oral and Maxillofacial Radiology, School of Dentistry, Seoul National University, Korea.
  • 2Department of Oral and Maxillofacial Radiology, Dental Research Institute, School of Dentistry, Seoul National University, Korea.
  • 3Department of Oral and Maxillofacial Radiology, School of Dentistry, Kyungpook National University, Korea.
  • 4Department of Oral and Maxillofacial Radiology, and Dental Research Institute and BK21, School of Dentistry, Seoul National University .

Abstract

The present study reports a case of inverted papilloma of the nasal cavity and infiltrating into the maxillary sinus. Inverted papilloma is an uncommon and locally aggressive benign tumor of the sinonasal region. The patient, 51- year-old male, presented with unilateral nasal obstruction and periodic swelling on the palate without pain. Enhanced CT scan revealed a heterogeneously enhancing solid mass in the nasal cavity and infiltrating into the right maxillary sinus, as well as an incidental, secondarily infected residual cyst in the periapical area of the right maxillary canine. The sinonasal mass was revealed as an inverted papilloma on histopathologic examination.

Keyword

Inverted papilloma; Maxillary sinus; Diagnostic imaging

MeSH Terms

Diagnostic Imaging
Humans
Male
Maxillary Sinus
Nasal Cavity
Nasal Obstruction
Palate
Papilloma, Inverted
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