Table 1.
Clinicopathological features of 21 cases of angiomatoid fibrous histiocytoma
| Case No. | Sex/age | Site | Size (cm) | Tumor histological features | EWSR1 rearrangement |
|---|---|---|---|---|---|
| 1 | F/64 | Right thigh | 4.3 | Classical type | NA |
| 2 | F/30 | Left knee | 2.1 | Classical type | NA |
| 3 | F/17 | Left thigh | 2.0 | Classical type | NA |
| 4 | F/23 | Left lower mandible | 1.5 | Classical type | NA |
| 5 | F/83 | Left upper arm | 2.0 | Classical type | NA |
| 6 | M/8 | Right leg | 1.0 | Classical type | NA |
| 7 | F/19 | Left knee | 2.0 | Classical type | NA |
| 8 | F/16 | Left abdominal wall | 10.0 | Classical type | NA |
| 9 | M/23 | Scalp | 2.0 | No pseudoangiomatoid spaces | NA |
| 10 | M/27 | Trachea | 3.0 | No pseudoangiomatoid spaces and lymphoid rim; myxoid change and scattered multinuclear giant cells in the stromal | + |
| 11 | M/12 | Right shoulder | 2.0 | No pseudoangiomatoid spaces; tumor giant cells; remarkable myxoid change in the stromal | + |
| 12 | F/15 | Left buttock | 4.0 | No pseudoangiomatoid spaces; active mitotic figures (2/10HPF) | NA |
| 13 | F/55 | Left upper arm | 2.0 | No pseudoangiomatoid spaces; prominent sclerosing stromal | NA |
| 14 | F/38 | Right thigh | 1.8 | Classical type | NA |
| 15 | M/33 | Right neck | 2.0 | No pseudoangiomatoid spaces; tumor giant cells; numerous capillary blood vessels in the stromal | NA |
| 16 | M/14 | Left humeral back | 2.0 | Classical type | + |
| 17 | F/16 | Right forearm | 2.0 | Classical type | + |
| 18 | M/18 | Left popliteal space | 2.5 | Classical type | - |
| 19 | M/12 | Neck | 4.0 | Classical type; active mitotic figures (3/10HPF) | NA |
| 20 | M/25 | Retroperitoneum | 8.0 | No pseudoangiomatoid spaces; focal tumor necrosis; prominent sclerosing stromal; scattered multinuclear giant cells in the stromal | + |
| 21 | M/16 | Left thigh | 2.0 | No pseudoangiomatoid spaces | NA |
NA: not available.