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Slow-Pull Using a Fanning Technique Is More Useful Than the Standard Suction Technique in EUS-Guided Fine Needle Aspiration in Pancreatic Masses
Gut and Liver ; : 360-366, 2018.
Article in English | WPRIM | ID: wpr-714660
ABSTRACT
BACKGROUND/

AIMS:

Endoscopic ultrasound-guided fine needle aspiration (EUS-FNA) is useful for obtaining pancreatic mass samples. The combination of modified techniques (i.e., slow-pull technique and fanning technique) may improve the quality of the sample obtained by EUS-FNA. We investigated the effectiveness of a combined slow-pull fanning technique in EUS-FNA for pancreatic mass.

METHODS:

This prospective comparative study investigated EUS-FNA performed for pancreatic solid masses between August 2015 and July 2016. Pairwise specimens were alternately obtained using the following two techniques for targeted pancreatic lesions standard suction or slow-pull with fanning. We compared the specimen quality, blood contamination, and diagnostic accuracy of these techniques.

RESULTS:

Forty-eight consecutive patients were included (29 men; mean age, 68.1±11.9 years), and 96 pancreatic mass specimens were obtained. The slow-pull with fanning technique had a significantly superior diagnostic accuracy than the suction technique (88% vs 71%, p=0.044). Furthermore, blood contamination was significantly reduced using the slow-pull with fanning technique (ratio of no or slight contamination, 77% vs 56%, p=0.041). No difference was observed in the acquisition of adequate cellularity between the groups. In the subgroup analysis, the tumor size and sampling technique were related to the EUS-FNA diagnostic accuracy.

CONCLUSIONS:

The slow-pull with needle fanning technique showed a good diagnostic yield for EUS-FNA for pancreatic mass. This technique can be useful for performing EUS-guided sampling for diagnosing pancreatic disease.
Subject(s)

Full text: Available Index: WPRIM (Western Pacific) Main subject: Pancreas / Pancreatic Diseases / Suction / Prospective Studies / Endosonography / Biopsy, Fine-Needle / Endoscopic Ultrasound-Guided Fine Needle Aspiration / Needles Type of study: Observational study Limits: Humans / Male Language: English Journal: Gut and Liver Year: 2018 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Pancreas / Pancreatic Diseases / Suction / Prospective Studies / Endosonography / Biopsy, Fine-Needle / Endoscopic Ultrasound-Guided Fine Needle Aspiration / Needles Type of study: Observational study Limits: Humans / Male Language: English Journal: Gut and Liver Year: 2018 Type: Article