Table 2.
Summary of pathologic features of GCAs (n=60, unless stated otherwise)
| Parameter | Level | N | % |
|---|---|---|---|
| TILs | Absent | 34 | 57 |
| Rare | 10 | 17 | |
| Present | 16 | 27 | |
| Peri-tumoral lymphocytes (n=57)* | Absent | 16 | 28 |
| Present | 41 | 82 | |
| Mild, patchy | 18 | ||
| Mild, diffuse | 5 | ||
| Moderate, patchy | 2 | ||
| Moderate, diffuse | 8 | ||
| Marked, diffuse | 1 | ||
| Neutrophils | Absent | 28 | 47 |
| Present | 32 | 53 | |
| Mitoses per 10 HPF | Median = 4 | ||
| Range = 0–49 | |||
| ≤5 per 10 HPF | 39 | 65 | |
| ≤10 per 10 HPF | 50 | 83 | |
| Apoptoses per 10 HPF | Median = 5 | ||
| Range = 0–58 | |||
| ≤5 per 10 HPF | 35 | 58 | |
| ≤10 per 10 HPF | 51 | 85 |
*
Distribution of peritumoral lymphocytes could not be reliably assessed in some tumors in which it was present, due to insufficient volume of peritumoral tissue in the H&E slide for reliable evaluation