The Efficiency of Routine Histopathological Examination for Bilateral Nasal Polyposis

Ahmad Safadi, Narin N. Carmel-Neiderman, Ronen Toledano, Omer J. Ungar, Fadi Abu Mokh, Anat Wengier, Dan M. Fliss, Daniel Yafit

Research output: Contribution to journalArticlepeer-review


The necessity to routinely carry out histopathologic examinations of surgically removed polyps in patients with chronic rhinosinusitis with bilateral nasal polyps (CRSwNP) is uncertain. The aim of this study was to describe the histopathology of polyps from a large series of patients who underwent endoscopic sinus surgery for CRSwNP and the rate of neoplasms. This is a retrospective study of the histopathological result of all patients with CRSwNP who underwent functional endoscopic nasal surgery and in whom histologic examination was performed, from 2006 to 2015, in a tertiary medical center. Data on demographics and whether a nasal lesion was suspected for neoplasm prior to surgery were analyzed. Two hundred thirty-five patients underwent bilateral nasal polypectomy and histopathologic examinations of the surgical specimens. The rate of neoplasms in nonsuspicious cases was 2.3% (5 cases) and all were inverted papilloma. To conclude, inverted papilloma and other neoplasms are considered rare incidental findings in patients presenting with bilateral nasal polyps. This study demonstrated a higher rate of the latter than that reported in the literature. Our study further emphasizes that despite the low incidence of these pathologies, a histopathologic examination of every nasal polypectomy is warranted so as not to miss potential serious pathologies. We stress that a routine histopathological examination should be practiced at least in the elderly population.

Original languageEnglish
Pages (from-to)670S-674S
JournalEar, Nose and Throat Journal
Issue number5_suppl
StatePublished - Sep 2021


  • bilateral nasal polyps
  • inverted papilloma
  • malignancy
  • neoplasm


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