Table 2.
Baseline characteristics of patients who underwent macroscopic on-site evaluation after endoscopic ultrasound-guided fine-needle aspiration or biopsy
|
Characteristics
|
|
| Age (years), mean ± SD | 59 ± 12 |
| Sex, n (%) | |
| Female | 499 (49.5) |
| Male | 509 (50.5) |
| Lesion location, n (%) | |
| Pancreas | 664 (62) |
| Stomach | 101 (9.4) |
| Lymph nodes | 96 (8.9) |
| Liver | 46 (4.2) |
| Mediastinum | 38 (3.5) |
| Other | 129 (12) |
| Total | 1074 (100) |
| The mean size of the target lesion on EUS (mm), mean ± SD | 38 ± 17 |
| Approach, n (%) | |
| Transduodenal | 585 (58) |
| Transgastric | 350 (34.7) |
| Transesophageal | 62 (6.2) |
| Transrectal | 11 (1.1) |
| Type of the needle (FNA or FNB), n (%) | |
| FNA | 101 (10) |
| FNA-Expect-Boston | 68 (6.7) |
| FNA-EchoTip-Cook | 33 (3.3) |
| FNB | 907 (90) |
| FNB-Acquire-Boston | 751 (74.5) |
| FNB-Medtronic | 20 (2) |
| FNB-ProCore-Cook | 40 (4) |
| FNB-Trident-Microtech | 96 (9.5) |
| Specimen acquisition method, n (%) | |
| Suction method | 381 (37.8) |
| Capillary method | 290 (28.8) |
| Both | 337 (33.4) |
| Number of needle passes (FNB), n (%) | |
| 1 | 154 (15.3) |
| 2 | 680 (67.5) |
| 3 | 149 (14.8) |
| 4 | 25 (2.5) |
| Final diagnosis (conclusive or inconclusive), n (%) | |
| Conclusive | 963 (95.5) |
| Benign | 102 (10.1) |
| Malignant | 861 (85.4) |
| Inconclusive | 45 (4.5) |
| Postprocedural adverse events, n (%) | |
| No | 975 (96.7) |
| Yes | 33 (3.3) |
| Abdominal pain | 17 (1.7) |
| Small blood collection | 10 (1) |
| Transient fever | 6 (0.6) |
EUS: Endoscopic ultrasound; FNA: Fine-needle aspiration; FNB: Fine-needle biopsy.