TABLE 2.
Patient data for frozen and FFPE tissue sections of bladder cancer.
| Frozen section | Paraffin section | |
|---|---|---|
| Number of patients (sections) | 7 (7) | 57 (59) |
| Age mean ± SD (years) | 75 ± 6 years | 73 ± 10 years |
| Age range | 67–84 | 46–87 |
| Sex | ||
| male | 5 (71%) | 45 (79%) |
| female | 2 (29%) | 12 (21%) |
| Clinical stage | ||
| 0a | 2 (29%) | 30 (51%) |
| 0is | 0 | 1 (2%) |
| I | 3 (42%) | 18 (31%) |
| II | 0 | 5 (8%) |
| III | 0 | 2 (3%) |
| IV | 2 (29%) | 3 (5%) |
| Tumor classification | ||
| a | 2 (29%) | 30 (51%) |
| Cis | 0 | 1 (2%) |
| 1 | 3 (42%) | 18 (31%) |
| 2 | 0 | 5 (8%) |
| 3 | 1 (14%) | 4 (6%) |
| 4 | 1 (14%) | 1 (2%) |
| Node classification | ||
| 0 | 5 (71%) | 56 (95%) |
| 1 | 2 (29%) | 2 (3%) |
| 2 | 0 | 0 |
| 3 | 0 | 1 (2%) |
| metastasis classfication | ||
| 0 | 6 (86%) | 56 (95%) |
| 1 | 1 (14%) | 3 (5%) |
| Grading | ||
| 1 | 2 (29%) | 13 (22%) |
| 2 | 3 (42%) | 32 (54%) |
| 3 | 2 (29%) | 14 (24%) |
| Histology | ||
| Urothelial carcinoma | 6 (86%) | 58 (98%) |
| small cell carcinoma | 1 (14%) | 1 (2%) |
| Invasiveness | ||
| non-invasive | 2 (29%) | 31 (53%) |
| invasive | 5 (71%) | 28 (47%) |
| Variant/differentiation | ||
| glandular differentiation | 0 | 1 (4%) |
| squamous differentiation | 0 | 3 (11%) |
| sarcomatoid variant | 1 (14%) | 3 (11%) |
| micropapillary variant | 0 | 1 (4%) |
| plasmacytoid variant | 1 (14%) | 0 |