Ryu, In Sun Choi, Seung-Ho Kim, Do Hun Han, Myung Woul Roh, Jong-Lyel Kim, Sang Yoon Nam, Soon Yuhl 2024-01-20T13:04:52Z 2024-01-20T13:04:52Z 2021-09-01 2013-01 1043-3074 https://pubs.kist.re.kr/handle/201004/128516 Background We investigated whether the addition of narrow band imaging (NBI) to standard diagnostic workups could enhance the detection of primary lesions in patients with carcinoma of unknown primary (CUP). Methods Thirty patients with CUP underwent NBI endoscopy and fluorodeoxyglucosepositron emission tomography/CT (FDG-PET/CT) after thorough conventional diagnostic workups between 2009 and 2011. Sites suspected of harboring primary tumors, as determined by NBI and/or FDG-PET/CT, were biopsied for histologic confirmation. Results Occult primary tumors were identified in 33.3% (10/30), including 13.3% (4/30) by NBI and 20.0% (6/30) by FDG-PET/CT. All of diagnosed lesions by NBI were confirmed histologically as squamous cell carcinomas with T1 classification and identified at 2 supraglottis, 1 hypopharynx, and 1 esophagus, respectively. Conclusions NBI endoscopy may be a useful method for detecting primary tumors, especially for small and superficial squamous cell carcinomas of the upper aerodigestive tract, after conventional workup in patients with CUP. (c) 2012 Wiley Periodicals, Inc. Head Neck, 2013 English WILEY SQUAMOUS-CELL CARCINOMA POSITRON-EMISSION-TOMOGRAPHY PHARYNGEAL CARCINOMA IN-SITU HEAD NECK MANAGEMENT DIAGNOSIS CANCER Detection of the primary lesion in patients with cervical metastases from unknown primary tumors with narrow band imaging endoscopy: Preliminary report Article 10.1002/hed.22901 1 HEAD AND NECK-JOURNAL FOR THE SCIENCES AND SPECIALTIES OF THE HEAD AND NECK, v.35, no.1, pp.10 - + HEAD AND NECK-JOURNAL FOR THE SCIENCES AND SPECIALTIES OF THE HEAD AND NECK 35 1 10 + scie scopus 000312551300001 2-s2.0-84871242423 Otorhinolaryngology Surgery Otorhinolaryngology Surgery Article SQUAMOUS-CELL CARCINOMA POSITRON-EMISSION-TOMOGRAPHY PHARYNGEAL CARCINOMA IN-SITU HEAD NECK MANAGEMENT DIAGNOSIS CANCER unknown primary neoplasm narrow-band imaging endoscopy head and neck cancer upper aerodigestive tract