Overview of grading criteria for urothelial carcinoma used in different systems
| Author/grading system | |||||
|---|---|---|---|---|---|
| Malmström5 | Pauwels8 | Murphy7 | Schapers9 | WHO/ISUP10 | |
| HGPUC, high grade papillary urothelial carcinoma; ISUP, International Society of Urologic Pathology; LGPUC, low grade papillary urothelial carcinoma; PNLMP, papillary neoplasms of low malignant potential; WHO, World Health Organisation. | |||||
| Grades | 1 | 1 | Low grade | Low grade | PNLMP |
| 2a | 2a | High grade | High grade | LGPUC | |
| 2b | 2b | HGPUC | |||
| 3 | 3 | ||||
| 4 | |||||
| Grading criteria | |||||
| Cellular atypia | + | + | + | + | + |
| Cellular polarity | + | + | + | + | + |
| Mitoses | + | + | |||
| Epithelial thickness | + | + | + | + | |