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Efficacy of endoscopy under general anesthesia for the detection of synchronous lesions in oro-hypopharyngeal cancer
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Yoichiro Ono, Kenshi Yao, Yasuhiro Takaki, Satoshi Ishikawa, Kentaro Imamura, Akihiro Koga, Kensei Ohtsu, Takao Kanemitsu, Masaki Miyaoka, Takashi Hisabe, Toshiharu Ueki, Atsuko Ota, Hiroshi Tanabe, Seiji Haraoka, Satoshi Nimura, Akinori Iwashita, Susumu Sato, Rumie Wakasaki
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Clin Endosc 2023;56(3):315-324. Published online January 5, 2023
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DOI: https://doi.org/10.5946/ce.2022.072
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 Graphical Abstract
 Abstract
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 - Background
/Aims: Image-enhanced endoscopy can detect superficial oro-hypopharyngeal squamous cell carcinoma; however, reliable endoscopy of the pharyngeal region is challenging. Endoscopy under general anesthesia during transoral surgery occasionally reveals multiple synchronous lesions that remained undetected on preoperative endoscopy. Therefore, we aimed to determine the lesion detection capability of endoscopy under general anesthesia for superficial oro-hypopharyngeal squamous cell carcinoma.
Methods
This retrospective study included 63 patients who underwent transoral surgery for superficial oropharyngeal squamous cell carcinoma between April 2005 and December 2020. The primary endpoint was to compare the lesion detection capabilities of preoperative endoscopy and endoscopy under general anesthesia. Other endpoints included the comparison of clinicopathological findings between lesions detected using preoperative endoscopy and those newly detected using endoscopy under general anesthesia.
Results
Fifty-eight patients (85 lesions) were analyzed. The mean number of lesions per patient detected was 1.17 for preoperative endoscopy and 1.47 for endoscopy under general anesthesia. Endoscopy under general anesthesia helped detect more lesions than preoperative endoscopy did (p<0.001). The lesions that were newly detected on endoscopy under general anesthesia were small and characterized by few changes in color and surface ruggedness.
Conclusions
Endoscopy under general anesthesia for superficial squamous cell carcinoma is helpful for detecting multiple synchronous lesions.
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Citations
Citations to this article as recorded by  - Nasopharyngeal examination during transoral upper gastrointestinal endoscopy
Vui Heng Chong
Clinical Endoscopy.2024; 57(1): 137. CrossRef - Endoscopy under general anesthesia for detecting synchronous lesions of head and neck squamous cell carcinoma
Jin Hee Noh, Do Hoon Kim
Clinical Endoscopy.2023; 56(3): 308. CrossRef
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