Application of Small Probe Endoscopic Ultrasonography Combined with Pre-cut-endoscopic Mucosal Resection in the Treatment of Rectal Carcinoid
Zhang Siyu
Abstract：Objective:To explore the application value of small probe endoscopic ultrasonography(EUS)combined with pre-cut-endoscopic mucosal resection(pre-cut-EMR)in the treatment of rectal carcinoids.Methods:Endoscopic ultrasonography with small probe was performed and biopsy was taken for patients with rectal submucosal swelling found by colonoscopy in the hospital from September 2019 to August 2023.Patients whose pathological results were considered as neuroendocrine tumor were evaluated.After EUS and CT examinations,patients without peripheral or distant metastasis were treated with pre-cut-EMR.Results:27 patients who were considered rectal carcinoid by small probe ultrasonography or pathological assay were treated with pre-cut-EMR.The lesions were all located in the rectum with a diameter of 0.8～2.0 cm.The pre-cut-EMR operation time was(32.8±10.87)minutes,the whole resection rate was 96.2％,and the complete resection rate was 100％.There were 0 cases of intraoperative perforation.There were 15 cases of immediate bleeding during the operation and 1 case of delayed bleeding after the operation.Postoperative follow-up was 3～12 months without recurrence or metastasis.Conclusion:EUS can clarify the depth and diameter of rectal carcinoid invasion,which has a high guiding value for the selection of treatment methods.Pre-cut-EMR is a safe,time-saving,and effective method for rectal neuroendocrine tumors＜20 mm in diameter.
Keywords：Small probe endoscopic ultrasonographyPre-cut-endoscopic mucosal resectionCarcinoid
Publication Date：2025-02-27
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：4( 435-438 )