Papillary Adenoma
Grading / Staging
Grading
- Does not apply as these are benign neoplasms
- However, by definition they have grade 1 or 2 nuclei
- WHO/ISUP grading system for clear cell and papillary renal cell carcinomas
Grade 1 Nucleoli are absent or inconspicuous and basophilic at 400x magnification Grade 2 Nucleoli are conspicuous and eosinophilic at 400x and visible but not prominent at 100x Grade 3 Nucleoli are conspicuous and eosinophilic at 100x Grade 4 Extreme nuclear pleomorphism, multinucleate giant cells, and/or rhabdoid and/or sarcomatoid differentiation
Staging
- Does not apply
