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- Title
Diagnosis of the extent of advanced oropharyngeal and hypopharyngeal cancers by narrow band imaging with magnifying endoscopy.
- Authors
Matsuba, Hiroki; Katada, Chikatoshi; Masaki, Takashi; Nakayama, Meijin; Okamoto, Tabito; Hanaoka, Noboru; Tanabe, Satoshi; Koizumi, Wasaburo; Okamoto, Makito; Muto, Manabu
- Abstract
Objectives/Hypothesis: Narrow band imaging combined with magnifying endoscopy (NBI-ME) is useful for the detection of superficial cancer in the oropharynx, hypopharynx, and esophagus. We used NBI-ME to evaluate the frequency of superficial cancer spread (SCS) contiguous with advanced oropharyngeal and hypopharyngeal cancers and esophageal cancers. Study Design: Retrospective. Methods: We retrospectively studied 45 patients with oropharyngeal and hypopharyngeal cancer and 44 with esophageal cancer who underwent NBI-ME from October 2006 through April 2009. The following variables were evaluated: 1) the frequency of SCS contiguous with advanced oropharyngeal and hypopharyngeal cancer and esophageal cancer, and 2) the influence of SCS contiguous with advanced oropharyngeal and hypopharyngeal cancer on clinical T category and clinical stage. Results: SCS contiguous with the primary tumor was found in 49% (22/45) of the patients with advanced oropharyngeal and hypopharyngeal cancer and in 52% (23/44) of those with advanced esophageal cancer. When SCS contiguous with the primary tumor was included in the evaluation of tumor size in advanced oropharyngeal and hypopharyngeal cancer, the clinical T category and clinical stage were revised in 20% (9/45) and 4% (2/45) of patients, respectively; SCS was ≤2 cm in 64% of cases (14/22) and between >2 cm and ≤4 cm in 36% (8/22). Conclusions: NBI-ME should be included in the pretreatment diagnostic work-up to evaluate lesion extent and decide optimal surgical margins and radiation fields in patients with advanced oropharyngeal and hypopharyngeal cancer.
- Subjects
ESOPHAGEAL cancer; HYPOPHARYNGEAL cancer; ENDOSCOPY; SURGICAL site; TOMOGRAPHY
- Publication
Laryngoscope, 2011, Vol 121, Issue 4, p753
- ISSN
0023-852X
- Publication type
Article
- DOI
10.1002/lary.21553