| |
Classic Chordoma n=19(%) |
Chondroid Chordoma n=3(%) |
| Cellularity |
|
|
| Scanty |
1(59) |
1(33) |
| Moderate |
10(53) |
1(33) |
| High |
8(42) |
1(33) |
| Arrangement |
|
|
| Single cells |
1(5) |
0 |
| Sheets |
8(42) |
1(33) |
| Clusters |
10(53) |
2(67) |
| Cellular prominent nucleoli |
|
|
| Present |
8(42) |
2(67) |
| Absent |
11(58) |
1(33) |
| Nuclear molding |
|
|
| Present |
12(63) |
1(33) |
| Absent |
7(37) |
2(67) |
| Atypia |
8(42) |
3 (100) |
| Pleomorphism |
5(26) |
3(100) |
| Background material |
|
|
| Fibrillary |
1(5) |
1(33) |
| Granular |
19(100) |
3(100) |
| Haemolytic |
3(16) |
1(33) |
| Myxoid |
19(100) |
3(300) |
| Bloody |
3(16) |
3(100) |
| Inflammation |
5(26) |
1(33) |
|
