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Review
. 2020 Jul 8;10(7):463.
doi: 10.3390/diagnostics10070463.

Current Status of Needles in the Optimization of Endoscopic Ultrasound-Guided Procedures

Akashi Fujita  1 , Shomei Ryozawa  1 , Yuki Tanisaka  1 , Tomoya Ogawa  1 , Masahiro Suzuki  1 , Tatsuya Noguchi  1 , Hiromune Katsuda  1 , Masafumi Mizuide  1
Affiliations
Review

Current Status of Needles in the Optimization of Endoscopic Ultrasound-Guided Procedures

Akashi Fujita et al. Diagnostics (Basel). .

Abstract

Endoscopic ultrasound (EUS) is among the most important tools for the evaluation of gastrointestinal tumors and affected areas around the gastrointestinal tract. It enables the acquisition of material from abnormal lesions via the gastrointestinal wall for tissue confirmation via endoscopic ultrasound-guided fine-needle aspiration (EUS-FNA). EUS-FNA has played a vital role in oncological care and has become the standard method for tissue sampling. The choice of needle type is an important factor determining tissue acquisition and has been evaluated by many researchers. New needles are introduced into the market almost every year, and opinions vary regarding proper needle selection. While there are diverse opinions but no definitive recommendations about the use of one particular device, fine-needle biopsy needles may provide detailed information on a tissue's architecture based on greater sample yields. This permits additional analyses, including genetic sequencing and phenotyping, thereby enabling the provision of more personalized treatment plans. Furthermore, other EUS-guided procedures have been developed, including interventional EUS and through-the-needle devices. Given the continued attempts to improve the diagnostic ability and therapeutic techniques, we review in detail the available types of puncture needles to provide guidance on the selection of the appropriate needle types.

Keywords: diagnostic accuracy; endoscopic ultrasound; endoscopic ultrasound-guided fine-needle aspiration; fine needle biopsy; interventional endoscopic ultrasound; needle-based confocal laser endomicroscopy; through-the-needle forceps biopsy.

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Conflict of interest statement

The authors declare no conflict of interest.

Figures

Figure 1
Figure 1
Endoscopic ultrasound-guided fine-needle aspiration (EUS-FNA) of a gastric subepithelial lesion.
Figure 2
Figure 2
The Ez shot3 (Olympus Medical Systems, Tokyo, Japan) with a Menghini shape of the needle tip (Image courtesy of Olympus Medical Systems).
Figure 3
Figure 3
The 20G ProCore needle with an antegrade beveled side slot at the needle tip (Image courtesy of Cook Medical).
Figure 4
Figure 4
The franseen needle with three symmetric cutting tips (Image courtesy of Boston Scientific).
Figure 5
Figure 5
The 19 G Sono Tip Pro Control (Medi-Globe GmbH) with a cut-surface length of 5 mm.
Figure 6
Figure 6
Hot-Axios stent delivery system with electrocautery at the distal tip of the delivery catheter (Image courtesy of Boston Scientific).
See this image and copyright information in PMC

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