Table 1.
Comparison of tissue quantity between DNAB and FNA
| Specimen (no.) | Tumor diameter (mm) | Diagnostic method | Preoperative diagnosis | Pathological diagnosis by resected specimen | Macroscopic tissue quantity | Microscopic tissue quantity | |
|---|---|---|---|---|---|---|---|
| In DNAB | In FNA | ||||||
| 1 | 20 × 15 | EUS-FNA | GIST | GIST | DNAB > FNA | ◎ | △ |
| 2 | 20 × 17 × 16 | EUS-FNA | GIST | GIST | DNAB > FNA | ○ | × |
| 3 | 22 × 18 × 18 | EUS-FNA | GIST | GIST | DNAB > FNA | ◎ | ◎ |
| 4 | 22 × 20 × 20 | EUS-FNA | GIST | GIST | DNAB > FNA | ◎ | ◎ |
| 5 | 22 × 20 × 9 | EUS-FNA | No tissue | Aberrant pancreas | DNAB > FNA | ◎ | △ |
| 6 | 25 × 18 × 15 | EUS-FNA | GIST | GIST | DNAB > FNA | ○ | ◎ |
| 7 | 25 × 24 × 16 | EUS-FNA | No tissue | Schwannoma | DNAB > FNA | ◎ | × |
| 8 | 27 × 17 × 10 | EUS-FNA | GIST | GIST | DNAB > FNA | ◎ | ○ |
| 9 | 30 × 25 × 20 | Bx | GIST | GIST | DNAB > FNA | ◎ | △ |
| 10 | 35 × 35 × 25 | Non-enforcement | Hematoid SMT | GIST | DNAB > FNA | ◎ | ○ |
| 11 | 50 × 40 × 30 | EUS-FNA | GIST | GIST | DNAB > FNA | ◎ | ◎ |
| 12 | 60 × 40 × 37 | Bx | GIST | GIST | DNAB > FNA | ◎ | ○ |
| 13 | 80 × 60 | Bx | Chronic gastritis | GIST | DNAB > FNA | ◎ | ○ |
EUS-FNA endoscopic ultrasound-guided fine-needle aspiration biopsy
Bx biopsy
GIST gastrointestinal stromal tumor
SMT submucosal tumor
FNA fine-needle aspiration biopsy on the desk
DNAB drill needle aspiration biopsy on the desk
> The left is larger than the right
◎ A sufficient quantity to make a tissue diagnosis
○ An appropriate quantity to make a tissue diagnosis
△ A moderately insufficient quantity to make a tissue diagnosis
× No tissue