Table 2.
Needle Type and Sample Characteristics
| Results | Total | FNA | FNB | P value |
|---|---|---|---|---|
| Needle Size | 0.225 | |||
| 19-gauge | 7 (3.09%) | 2 (1.73%) | 5 (4.39%) | |
| 20-gauge | 2 (0.88%) | 0 (0.00%) | 2 (1.75%) | |
| 21-gauge | 1 (0.44%) | 0 (0.00%) | 1 (0.88%) | |
| 22-gauge | 154 (67.84%) | 77 (66.95%) | 79 (69.30%) | |
| 25-gauge | 63 (27.75%) | 36 (31.30%) | 27 (23.68%) | |
| No of Passes | 3.17 (1.37) | 3.44 (1.53) | 2.89 (1.12) | 0.002 |
| No. of Samples with ROSE | 0.087 | |||
| Yes | 40 (14.47%) | 25 (21.74%) | 15 (13.16%) | |
| No | 189 (85.53%) | 90 (78.26%) | 99 (86.84%) | |
| Adequate Sample for ROSE | 0.507 | |||
| Yes | 30 (83.33%) | 17 (80.95%) | 13 (86.67%) | |
| No | 6 (16.67%) | 4 (19.05%) | 2 (13.33%) | |
| No. of Passes for ROSE Adequacy | 4.23 (1.33) | 4.53 (1.28) | 3.85 (1.34) | 0.167 |
| No. of Samples with Cell-block | <0.001 | |||
| Yes | 203 (88.65%) | 93 (80.87%) | 110 (96.49%) | |
| No | 26 (11.35%) | 22 (19.13%) | 4 (3.51%) | |
| No. of Passes for Cell-block Diagnosis | 3.20 (1.35) | 3.55 (1.55) | 2.94 (1.09) | 0.003 |
| No. of Samples with IHC | <0.001 | |||
| Yes | 125 (54.59%) | 46 (40.00%) | 79 (69.30%) | |
| No | 104 (45.41%) | 69 (60.00%) | 35 (30.70%) | |
| Diagnostic Findings with IHC | <0.001 | |||
| GIST | 49 (39.20%) | 15 (32.62%) | 34 (43.05%) | |
| Leiomyoma | 34 (27.20%) | 13 (28.26%) | 21 (26.58%) | |
| Adenocarcinoma* | 6 (4.80%) | 1 (2.17%) | 5 (6.33%) | |
| Lymphoma | 2 (1.60%) | 0 (0.00%) | 2 (2.53%) | |
| Other | 20 (16.00%) | 11 (23.91%) | 9 (11.39%) | |
| Inconclusive | 14 (11.20%) | 6 (13.04%) | 8 (10.12%) |
*
All adenocarcinomas were metastatic lesions arising from the second layer.