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ORIGINAL ARTICLE
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Clinical application of endonasopharyngeal ultrasound-guided transnasopharyngeal needle aspiration in the diagnosis of submucosal nasopharyngeal carcinoma


 Department of Endoscopy Center, Sichuan Cancer Center, School of Medicine, Sichuan Cancer Hospital and Institute, University of Electronic Science and Technology of China, Chengdu, Sichuan Province, China

Correspondence Address:
Yu Bao,
Department of Endoscopy Center, Sichuan Cancer Center, School of Medicine, Sichuan Cancer Hospital and Institute, University of Electronic Science and Technology of China, Chengdu 610041, Sichuan Province
China
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/eus.eus_19_20

PMID: 32655081

Background and Objectives: Submucosal nasopharyngeal carcinoma (NPC) is a rare type, which is usually difficult to obtain tissue samples. We aimed to evaluate the diagnostic yield and safety of a new technique of endonasopharyngeal ultrasound-guided transnasopharyngeal needle aspiration (ENUS-TNNA) for submucosal NPC.Subjects and Methods: This was a retrospective study. Between March 2018 and September 2019, 11 patients with submucosal nasopharyngeal neoplasms detected with previously computed tomography or magnetic resonance imaging underwent ENUS-TNNA. All patients had cytological evaluation by smears and tissue evaluation of aspiration specimens. Mean and rate. Results: There were seven males and four females, with ages ranging from 33 to 77 years. Needle puncture biopsies were successfully performed in all cases, and sufficient tissue sample for histopathological examination was obtained from each of the 11 patients. Of the 11 patients, nine of these patients were diagnosed using ENUS-TNNA without on-site cytology assistance, false negative in two cases. The sensitivity of the ENUS-TNNA technique in diagnosing submucosal NPC was 81.82%. In the absence of any major complications, the procedure was uneventful. Conclusions: ENUS-TNNA is a safe and effective method to provide a pathological diagnosis of submucosal growth type of nasopharyngeal neoplasms, which has a great clinical value.


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    -  Zhang ZM
    -  Zhou LX
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