Table 2.
Recommended negative pressure procedural technique for each endoscopic ultrasound-guided tissue acquisition needle to achieve optimal outcomes[61]
Needle type
|
Best cellularity
|
Best diagnostic accuracy
|
Best overall outcome (specimen)
|
Menghini | Stylet retraction = suction = no suction | Suction | Suction |
Reverse-bevel | Stylet retraction = suction | Suction | Suction |
Franseen | Stylet retraction | Stylet retraction = suction | Stylet retraction |
Fork-tip | Stylet retraction = no suction | Stylet retraction = suction | Stylet retraction |