TABLE 1.
Clinicopathologic characteristics of 69 patients with myxofibrosarcoma
| Characteristic | Value |
|---|---|
| Male gender | 38 (55 %) |
| Age at diagnosis, y | |
| Mean | 62 |
| Median | 62 |
| Range | 19–94 |
| >60 y | 40 (58 %) |
| >70 y | 25 (36 %) |
| Primary vs. recurrent tumor at presentation | |
| Primary | 64 (93 %) |
| Recurrent | 5 (7 %) |
| Site | |
| Lower extremity—proximal | 28 (41 %) |
| Lower extremity—distal | 8 (12 %) |
| Upper extremity—proximal | 10 (14 %) |
| Upper extremity—distal | 6 (9 %) |
| Trunk | 12 (17 %) |
| Breast | 2 (3 %) |
| Shoulder | 2 (3 %) |
| Axilla | 1 (1 %) |
| Size (cm)a | |
| Mean | 7.4 |
| Median | 6 |
| Range | 1–27 |
| FNCLCC histologic nuclear grade | |
| 1 (low) | 9 (13 %) |
| 2 (intermediate) | 16 (23 %) |
| 3 (high) | 44 (64 %) |
| T stage | |
| 1a | 19 (28 %) |
| 1b | 7 (10 %) |
| 2a | 14(20 %) |
| 2b | 29 (42 %) |
| Surgical margin | |
| R0—negative (margin ≥1 mm) | 41 (60 %) |
| R0—close (margin < 1 mm) | 14 (20 %) |
| R1—positive | 14 (20 %) |
| Vascular invasiona | |
| No | 60 (87 %) |
| Yes | 5 (7 %) |
| Unknown | 4 (6 %) |
FNCLCC Fédération Nationale des Centres de Lutte Contre le Cancer
a
From surgical resection specimen