scholarly journals S1037 Motorized Endoscopic Ultrasound Biopsy Needle Compared to Traditional Sampling Technique

2021 ◽  
Vol 116 (1) ◽  
pp. S491-S491
Author(s):  
Iyad Khamaysi ◽  
Seth A. Gross
Keyword(s):  
Endoscopic Ultrasound ◽  
Sampling Technique ◽  
Biopsy Needle

scholarly journals A Case of Gastrointestinal Stromal Tumor That Underwent Endoscopic Ultrasound-Guided Aspiration with a 25-Gauge Biopsy Needle

2016 ◽  
Vol 10 (1) ◽  
pp. 173-178
Author(s):  
Minoru Tomizawa ◽  
Fuminobu Shinozaki ◽  
Yasufumi Motoyoshi ◽  
Takao Sugiyama ◽  
Shigenori Yamamoto ◽  
...  
Keyword(s):  
Gastrointestinal Stromal Tumor ◽  
Endoscopic Ultrasound ◽  
Submucosal Tumor ◽  
Gastric Wall ◽  
Stromal Tumor ◽  
Upper Gastrointestinal Endoscopy ◽  
Ultrasound Guided ◽  
Biopsy Needle ◽  
Doppler Image ◽  
Hypoechoic Lesion

Endoscopic ultrasound-guided fine needle aspiration (EUS-FNA) is performed to obtain specimens for pathological analysis. For this procedure, 19-gauge (19G), 22-guage (22G), and 25-guage (25G) needles are available. The needles are classified into aspiration type and biopsy type. A 56-year-old woman underwent upper gastrointestinal endoscopy that showed a 38-mm-diameter submucosal tumor. The elevated lesion was diagnosed as a submucosal tumor of the stomach. Contrast-enhanced computed tomography showed a low-density area on the luminal surface of the gastric wall, which was covered with a thin layer of gastric mucosa. EUS showed a hypoechoic lesion in the submucosal layer. Color Doppler image showed a pulsating vascular signal extending into the center of the hypoechoic lesion from the periphery. EUS-FNA was performed with a 25G biopsy needle. The specimen tissue consisted of spindle-shaped cells. The cells were positive for CD117 and CD34. The submucosal tumor was diagnosed as a gastrointestinal stromal tumor.

scholarly journals Endoscopic ultrasound-guided tissue sampling of small subepithelial tumors of the upper gastrointestinal tract with a 22-gauge core biopsy needle

2017 ◽  
Vol 05 (03) ◽  
pp. E165-E171 ◽  
Author(s):  
Christoph Schlag ◽  
Christoph Menzel ◽  
Manuela Götzberger ◽  
Simon Nennstiel ◽  
Peter Klare ◽  
...  
Keyword(s):  
Gastrointestinal Tract ◽  
Endoscopic Ultrasound ◽  
Core Biopsy ◽  
Diagnostic Yield ◽  
Upper Gastrointestinal Tract ◽  
Tissue Sampling ◽  
Ultrasound Guided ◽  
Biopsy Needle ◽  
Upper Gastrointestinal ◽  
Subepithelial Tumors

Abstract Background and study aims The optimal approach to small subepithelial tumors (SETs) of the upper gastrointestinal tract remains inconclusive. The aim of this study was to evaluate endoscopic ultrasound-guided fine needle biopsy (EUS-FNB) for less invasive tissue sampling of small SETs of the upper gastrointestinal tract. Patients and methods In this prospective observational study patients with small ( ≤ 3 cm) SETs of the upper gastrointestinal tract were eligible and underwent EUS-FNB with a 22-gauge core biopsy needle. The main outcome measure was the diagnostic yield. The number of obtained core biopsies was also assessed. Results Twenty patients were included. The mean SET size was 16 mm (range 10 – 27 mm). EUS-FNB was technically feasible in all cases and no complications were observed. The diagnostic yield was 75 %. Core biopsy specimens were obtained in only 25 % of cases. Conclusion EUS-FNB with a 22-gauge core biopsy needle of small SETs can achieve a definite diagnosis in the majority of cases. However, because core samples cannot regularly be obtained, EUS-FNB seems not to be convincingly superior to standard EUS-FNA in this setting

Sign in / Sign up

Export Citation Format

Share Document