{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,10]],"date-time":"2026-02-10T13:06:42Z","timestamp":1770728802997,"version":"3.49.0"},"reference-count":52,"publisher":"MDPI AG","issue":"1","license":[{"start":{"date-parts":[[2023,12,27]],"date-time":"2023-12-27T00:00:00Z","timestamp":1703635200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Diagnostics"],"abstract":"<jats:p>Endoscopic ultrasound-guided fine-needle aspiration\/biopsy (EUS-FNA\/FNB) is very safe and has a high diagnostic rate for upper gastrointestinal lesions, especially pancreatic lesions, but its application in the lower gastrointestinal tract has rarely been reported. Due to the tortuous course of the colorectum, with the sigmoid colon particularly prone to perforation, most endoscopists are reluctant to perform lateral-sector endoscopic ultrasound scanning without a water-bag protection for the puncture. The ultrasonic endoscopy and flexible puncture needle techniques recently introduced into clinical practice have made ultrasound-guided puncture safer and more convenient. In addition, endoscopists have carefully tested various protective measures to improve the safety of the lower gastrointestinal puncture, substantially increasing its clinical feasibility. In this article, we review the iterations of endoscopic ultrasound equipment introduced in recent years and the many ingenious ideas proposed by endoscopists regarding lower gastrointestinal puncture.<\/jats:p>","DOI":"10.3390\/diagnostics14010064","type":"journal-article","created":{"date-parts":[[2023,12,27]],"date-time":"2023-12-27T05:43:15Z","timestamp":1703655795000},"page":"64","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Diagnosis by Endoscopic Ultrasonography-Guided Sampling through the Lower Gastrointestinal Tract"],"prefix":"10.3390","volume":"14","author":[{"given":"Jingyuan","family":"Wang","sequence":"first","affiliation":[{"name":"Department of Gastroenterology, Changhai Hospital, Naval Medical University, Shanghai 200433, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yue","family":"Liu","sequence":"additional","affiliation":[{"name":"Department of Gastroenterology, Changhai Hospital, Naval Medical University, Shanghai 200433, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Chang","family":"Wu","sequence":"additional","affiliation":[{"name":"Department of Gastroenterology, Changhai Hospital, Naval Medical University, Shanghai 200433, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jiayu","family":"Fan","sequence":"additional","affiliation":[{"name":"Department of Gastroenterology, Changhai Hospital, Naval Medical University, Shanghai 200433, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zhendong","family":"Jin","sequence":"additional","affiliation":[{"name":"Department of Gastroenterology, Changhai Hospital, Naval Medical University, Shanghai 200433, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kaixuan","family":"Wang","sequence":"additional","affiliation":[{"name":"Department of Gastroenterology, Changhai Hospital, Naval Medical University, Shanghai 200433, China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2023,12,27]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"989","DOI":"10.1055\/s-0043-119219","article-title":"Technical aspects of endoscopic ultrasound (EUS)-guided sampling in gastroenterology: European Society of Gastrointestinal Endoscopy (ESGE) Technical Guideline\u2014March 2017","volume":"49","author":"Polkowski","year":"2017","journal-title":"Endoscopy"},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"695","DOI":"10.1055\/s-0043-109021","article-title":"Indications, results, and clinical impact of endoscopic ultrasound (EUS)-guided sampling in gastroenterology: European Society of Gastrointestinal Endoscopy (ESGE) Clinical Guideline\u2014Updated January 2017","volume":"49","author":"Dumonceau","year":"2017","journal-title":"Endoscopy"},{"key":"ref_3","doi-asserted-by":"crossref","first-page":"1174","DOI":"10.1055\/a-1611-5091","article-title":"Endoscopic tissue sampling\u2014Part 1: Upper gastrointestinal and hepatopancreatobiliary tracts. 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