European Archives of Oto-Rhino-Laryngology

, Volume 267, Issue 9, pp 1423–1428 | Cite as

Role of narrow-band imaging and high-definition television in the surveillance of head and neck squamous cell cancer after chemo- and/or radiotherapy

  • Cesare Piazza
  • Daniela Cocco
  • Luigi De Benedetto
  • Francesca Del Bon
  • Piero Nicolai
  • Giorgio Peretti
Head and Neck

Abstract

Narrow-band imaging (NBI) is an endoscopic technique enhancing mucosal vasculature and better identifying superficial carcinomas due to their neo-angiogenic pattern. NBI accuracy is increased by combination with a high-definition television (HDTV) camera. The aim of this report was to evaluate the diagnostic improvement of NBI ± HDTV in the evaluation of head and neck squamous cell cancer (HNSCC) previously treated by chemo-radiotherapy (CHT-RT) or RT. A total of 390 patients affected by HNSCC were prospectively evaluated by NBI and white light (WL) endoscopy ± HDTV between April 2007 and April 2009 at a single academic institution. Among them, we focused on 59 (15%) patients who received CHT-RT or RT as part of their treatment. Of 59 patients, 13 (22%) showed adjunctive preoperative NBI findings when compared to the standard WL examination. These findings were always confirmed by intraoperative HDTV NBI, while only eight (62%) were visible with HDTV WL. Of 13 lesions, 12 received histopathologic confirmation (from carcinoma in situ to invasive carcinoma). The sensitivity of flexible NBI, HDTV WL, and HDTV NBI was 100, 66 and 100%, respectively. The specificity was 98, 100, and 98%. The positive predictive value was 92, 100, and 92%. The negative predictive value was 100, 94, and 100%. The accuracy was 98, 91, and 98%. NBI ± HDTV after CHT-RT or RT was of value in detecting tumor persistence (n = 2), early recurrences (n = 6), and metachronous tumors (n = 4). By contrast, only 1 of 59 (2%) patients was found to be false positive.

Keywords

Narrow-band imaging High-definition television Head and neck cancer Radiotherapy Chemotherapy 

Notes

Conflict of interest statement

The authors declare that they have no conflict of interest.

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Copyright information

© Springer-Verlag 2010

Authors and Affiliations

  • Cesare Piazza
    • 1
  • Daniela Cocco
    • 1
  • Luigi De Benedetto
    • 1
  • Francesca Del Bon
    • 1
  • Piero Nicolai
    • 1
  • Giorgio Peretti
    • 1
  1. 1.Department of Otorhinolaryngology-Head and Neck SurgeryUniversity of BresciaBresciaItaly

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