Table 1.
Characteristics of patients and comparison of results of percutaneous biopsy with those of endoscopic ultrasound-guided fine-needle aspiration
| Percutaneous biopsy | EUS-FNA | P value | |
| Group A | Group B | ||
| Patients | 46 | 75 | |
| Site of puncture | |||
| Pancreas | 46 | 74 | > 0.9999 |
| Head/body/tail | 12/32/2 | 34/31/9 | 0.0114 |
| Sex (male/female) | 25/21 | 39/36 | > 0.8525 |
| Age, yr | > 0.8466 | ||
| ≥ 65 | 28 | 48 | |
| < 65 | 18 | 27 | |
| Tumor diameter, mm (range) | 44.8 (18-111) | 25.5 (7-70) | |
| ≥ 40 | 30 | 25 | 0.0007 |
| < 40 | 16 | 50 | |
| Passes (range) | 2.26 (1-4) | 2.85 (2-5) | < 0.0001 |
| Adequate specimens obtained1 n (%) | |||
| Cytology | 42 (91.3) | 75 (100) | 0.0192 |
| Histology | 41 (89.1) | 65 (86.7) | 0.7812 |
| Positivity for cancer n (%) | |||
| Cytology | 33 (78.6) | 72 (94.6) | 0.0079 |
| Histology | 33 (80.5) | 51 (78.4) | > 0.9999 |
| Total n (%) | 43 (93.5) | 73 (97.3) | 0.3672 |
| Complications n (%) | 2 (4.3) | 1 (1.3) | > 0.5567 |
| Fever1 | Peritonitis1 | ||
| Bleeding1 | |||
| Time from puncture to definitive diagnosis | |||
| Cytology, d (range) | 4.05 (0-8) | 1.65 (0-5) | < 0.0001 |
| Histology, d (range) | 3.95 (2-7) | 3.18 (2-10) | 0.7066 |
1
An on-site pathologist was available for endoscopic ultrasound-guided fine-needle aspiration (EUS-FNA) but not for ultrasonography-guided-FNA.