Grading Definition |
---|
Grade 1–2 (low grade) 0–15 centroblasts per hpf* |
· 1 0–5 centroblasts per hpf |
· 2 6–15 centroblasts per hpf |
Grade 3 >15 centroblasts per hpf |
· 3A: centrocytes present |
· 3B: solid sheets of centroblasts |
Follicular Pattern |
· Follicular >75% |
· Follicular and diffuse 25–75% |
· Focally follicular <25% |
· Diffuse 0%** |