Ultrasound‐guided transurethral urinary bladder biopsy using an endoscopic biopsy forceps: 27 cases (2016–2019)

2021 ◽  
Author(s):  
N. Shimizu ◽  
A. Hamaide ◽  
E. Soliveres ◽  
M. Heimann ◽  
S. Noel ◽  
...  
Keyword(s):  
Urinary Bladder ◽  
Endoscopic Biopsy ◽  
Biopsy Forceps ◽  
Ultrasound Guided ◽  
Bladder Biopsy

scholarly journals Ultrasound Guidance for Urinary-bladder-tumor Biopsy with Endoscopic Biopsy Forceps in Dogs

2002 ◽  
Vol 55 (2) ◽  
pp. 83-87
Author(s):  
Takeshi TAKAHASHI ◽  
Hideyuki HAYASHI ◽  
Seiji SHIMIZU ◽  
Mikio FUJIE ◽  
Hiroaki SUEMATSU ◽  
...  
Keyword(s):  
Urinary Bladder ◽  
Bladder Tumor ◽  
Ultrasound Guidance ◽  
Endoscopic Biopsy ◽  
Biopsy Forceps ◽  
Tumor Biopsy ◽  
Urinary Bladder Tumor

ENDOSCOPIC BIOPSY FORCEPS AND TRANSFER OF TISSUE BETWEEN CASES

The Lancet ◽  
1989 ◽  
Vol 333 (8634) ◽  
pp. 388-389 ◽  
Author(s):  
S.B. Coghill ◽  
C.H. Mason ◽  
J.G.N. Studley
Keyword(s):  
Endoscopic Biopsy ◽  
Biopsy Forceps

Comparison of Sterilization of Reusable Endoscopic Biopsy Forceps by Autoclaving and Ethylene Oxide Gas

2011 ◽  
Vol 57 (2) ◽  
pp. 405-412 ◽  
Author(s):  
Jai Hoon Yoon ◽  
Byung Chul Yoon ◽  
Hang Lak Lee ◽  
Jun Kyu Lee ◽  
Yong-Tae Kim ◽  
...  
Keyword(s):  
Ethylene Oxide ◽  
Endoscopic Biopsy ◽  
Biopsy Forceps ◽  
Ethylene Oxide Gas

scholarly journals Endoscopic ultrasound-guided fine-needle biopsy in patients with unexplained diffuse gastrointestinal wall thickening

2021 ◽  
Vol 09 (10) ◽  
pp. E1466-E1471
Author(s):  
Carlos Chavarría ◽  
Francisco J. García-Alonso ◽  
Marina de Benito-Sanz ◽  
Pilar Mata-Romero ◽  
Beatriz Madrigal ◽  
...  
Keyword(s):  
Endoscopic Ultrasound ◽  
Needle Biopsy ◽  
Final Diagnosis ◽  
Fine Needle Biopsy ◽  
Endoscopic Biopsy ◽  
Wall Thickening ◽  
Ultrasound Guided ◽  
Predictive Values ◽  
Fine Needle ◽  
Histological Staging

Abstract Background and study aims Endoscopic ultrasound-guided fine needle biopsy (EUS-FNB) is recommended after non-diagnostic biopsy in gastrointestinal wall thickening, although the performance of currently available FNB needles in this setting is unknown. We aimed to assess the diagnostic accuracy and safety of EUS-FNB and to evaluate the "T" wall staging in malignant pathology. Patients and methods This was a single center retrospective study that included all consecutive patients undergoing EUS-FNB for diffuse gastrointestinal wall thickening with at least one previous negative conventional endoscopic biopsy between January 2016 and November 2019. EUS-FNB was performed using linear-array echoendoscopes with slow-pull/fanning technique. Tissue acquisition was done with 19- or 22-gauge biopsy needles. Samples were included in formalin without rapid on-site evaluation and submitted for histopathological processing. The final diagnosis was based on conclusive histology or absence of evidence of disease progression after follow-up at least 6 months. Results Twenty-nine patients (21 men), with a median age of 68 (IQR: 56–77), were included. EUS-FNB was technically feasible and the sample quality was adequate for full histological assessment in all patients (100 %). Sensitivity, specificity, positive and negative predictive values, and overall accuracy for diagnosis of malignancy were 95.5 %, 100 %, 100 %, 83.3 %, and 96.3 %, respectively. In patients with malignant disease, the samples obtained allowed detection of signs of deep layer infiltration (“histological staging”) in 17 of 21 cases (81 %). No adverse events were noted. Conclusions The EUS-FNB technique demonstrated excellent diagnostic performance and safety in the study of unexplained diffuse gastrointestinal wall thickening. Histological staging was obtained in a high percentage of samples.

scholarly journals Trans-Urethral Ultrasound Guided Bladder Biopsy with Flexible Endoscopic Forcep in a Dog

2012 ◽  
Vol 11 (6) ◽  
pp. 858-861
Author(s):  
Cerquetella Matteo ◽  
Fruganti Alessandro . ◽  
Laus Fulvio . ◽  
Dini Fabrizio . ◽  
Tambella Adolfo Mari .
Keyword(s):  
Ultrasound Guided ◽  
Bladder Biopsy

Performance Testing of Endoscopic Biopsy Forceps

2018 ◽  
Author(s):  
Barbara S. Linke ◽  
Anthony Toribio ◽  
Shannon Geary ◽  
Ulf P. Neumann ◽  
Anjali A. Roeth
Keyword(s):  
Performance Testing ◽  
Preliminary Test ◽  
Endoscopic Biopsy ◽  
The Body ◽  
Maximum Efficiency ◽  
Subjective Perception ◽  
Biopsy Forceps ◽  
Narrow Channels ◽  
Minimal Damage ◽  
Set Up

Endoscopic biopsy forceps are the key to minimally invasive procedures to an endoscopic surgeon. These surgeons have to maneuver forceps with cutting performance through the body while maintaining minimal damage to the narrow channels during insertion. The amount of precision the user needs to successfully perform endoscopic surgery is high enough to create a preference amongst surgeons. Physicians are often not involved in the purchasing decision on the instruments, but they usually can provide their preference of instrument mainly based on the subjective perception of how an instrument feels or works in their hands. To base discussions between surgeons and purchasing departments on quantitative data of forceps use performance, this study aims to provide a performance testing method for different instruments such as different brands, designs, reusable or single-use, or instruments in different wear stages. Ultimately, this will allow to determine which instrument performs with the maximum efficiency at the lowest cost. First, findings in the literature on forceps failure, wear and testing are described. Then, the forceps design and handling during a biopsy are investigated. A preliminary test set-up is introduced for a repeatable biopsy test for endoscopic forceps. Different tissue types and samples can be used in the test stand to define an ideal acceleration profile for the forceps during biopsy and the cut can be analyzed by microscopy afterwards. A sensor on the operator’s wrist measures acceleration and jerk while pulling at the forceps, which will give new insight into the performance of different forceps types and forceps in different wear states, independent from forceps’ brand, design or wear states.

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