Table 3 Distribution of papillary urothelial neoplasms by type and grade (n=87)
WHO 1973 | WHO/ISUP 1998 | ||
|---|---|---|---|
Papillary urothelial neoplasm | Number of cases | Papillary urothelial neoplasm | Number of cases |
Papilloma | 0 | Papilloma | 0 |
Papillary carcinoma | Low malignant potential neoplasm | 0 | |
Grade 1 | 0 | Papillary carcinoma | |
Grade 1–2 | 11 | Low grade | 30 |
Grade 2 | 37 | High grade | 57 |
Grade 3 | 39 | ||
