Table 1.
The respective characteristics of fine-needle aspiration and fine-needle biopsy
|
|
EUS-FNA
|
EUS-FNB
|
| Recommended needle caliber | 22-25G | 22G or thicker |
| Recommended negative pressure | Suction or wet suction | Stylet retraction |
| Recommended puncture technique | Fanning or DKM | Fanning or torque |
| Recommended number of needle passes | 1-3 times for histological diagnosis, depending on site and size | Three times for NGS |
| Diagnostic accuracy | FNB ≥ FNA | |
| Tissue volume | FNB ≥ FNA | |
| Suitability for NGS | FNB ≥ FNA | |
| MOSE | Recommended for use in combination | Recommended for use in combination |
| Complications | Rare | Rare |
| Cost-effectiveness | FNB ≥ FNA |
DKM: Door knocking method; G: Gauge; EUS: Endoscopic ultrasound; FNA: Fine-needle aspiration; FNB: Fine-needle biopsy; MOSE: Macroscopic on-site evaluation; NGS: Next-generation sequencing.