Narrow-Band Imaging in Diagnosis of Endometrial Cancer and Hyperplasia: A New Option?

Daniela Surico, Alessandro Vigone, Daniele Bonvini, Raffaele Tinelli, Livio Leo, Nicola Surico

Research output: Contribution to journalArticlepeer-review

Abstract

Study Objective: To estimate whether the use of narrow-band imaging (NBI) hysteroscopy increases concordance between visual identification and a histologic diagnosis of endometrial cancer and hyperplasia. Design: Prospective study (Canadian Task Force classification: II-2). Setting: Department of obstetrics and gynecology, University of Eastern Piedmont, Novara, Italy. Patients: 209 consecutive patients with abnormal uterine bleeding. Interventions: White-light hysteroscopy and NBI hysteroscopy followed by direct biopsy. Measurements and Main Results: The sensitivity and specificity of conventional hysteroscopy in predicting a diagnosis of cancer and hyperplasia were, respectively, 84.21% (95% confidence interval [CI], 79.27-89.15) and 99.47% (95% CI, 98.49-100.0), and 64.86% (95% CI, 58.39-71.34) and 98.77% (95% CI, 97.27-100.0), and of NBI hysteroscopy were 94.74% (95% CI, 91.71-97.76) and 97.89% (95% CI, 95.95-99.84), and 78.38% (95% CI, 72.8-83.96) and 97.67% (95% CI, 96.63-99.72). The concordance of conventional and NBI hysteroscopy with the histopathologic findings (measured using the Cohen κ) was, respectively, 88.80% (95% CI, 86.2%-96.3%) and 91.78% (95% CI, 89.6%-98.2%), a difference of 2.98% (95% CI, 0-9) in favor of NBI. Conclusion: Narrow-band imaging hysteroscopy can accurately predict a histologic diagnosis of endometrial cancer or hyperplasia.

Original languageEnglish
Pages (from-to)620-625
Number of pages6
JournalJournal of Minimally Invasive Gynecology
Volume17
Issue number5
DOIs
Publication statusPublished - Sept 2010
Externally publishedYes

Keywords

  • Endometrial cancer
  • Endometrial hyperplasia
  • Hysteroscopy
  • Narrow-band imaging

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