Derived Grade
NAACCR Item
NAACCR #1975| Code | Description |
|---|---|
| 1 | G1: 0-5 centroblasts per 10 HPF |
| 2 | G2: 6-15 centroblasts per 10 HPF |
| 3 | G3: More than 15 centroblasts per 10 HPF but with admixed centrocytes |
| 4 | G4: More than 15 centroblasts per 10 HPF but without centrocytes |
| 9 | Grade cannot be assessed (GX); Unknown Not a follicular histology (9690/3, 9691/3, 9695/3, 9698/3) |