Research Article
Preoperative Factors Associated with Infiltrative Histologic Growth Patterns in Extremity Soft Tissue Sarcoma
Table 1
Preoperative characteristics.
| Patient characteristics | |
| Mean age (yrs, ) | 50.0 (19.7) | Gender (, %) | | Female | 63 (44) | Male | 81 (56) | Presentation status (, %) | | Fresh | 101 (70) | Recurred | 22 (15) | Unplanned excision | 21 (15) | Radiation therapy (, %) | | Preoperative | 1 (1) | Postoperative | 82 (57) | Not done | 61 (42) | Dose of radiation therapy (Gy, range) | 60 (50–65) | Chemotherapy (, %) | | Preoperative | 3 (2) | Postoperative | 18 (13) | Pre- and postoperative | 7 (5) | Not done | 116 (80) |
| Tumor characteristics | |
| Size (cm, SD) | 7.7 (6.4) | Depth (, %) | | Superficial | 21 (15) | Deep | 123 (85) | Compartmental status (, %) | | Intracompartmental | 91 (63) | Extracompartmental | 53 (37) | FNCLCC grade (, %) | | 1 | 23 (16) | 2 | 54 (38) | 3 | 67 (46) | Histologic type (, %) | | | 26 (18) | Synovial sarcoma | 23 (16) | Myxofibrosarcoma | 22 (15) | Liposarcoma | 17 (12) | Leiomyosarcoma | 14 (10) | Others | 42 (29) |
| MRI characteristics | |
| Peritumoral edema (, %) | | Absent | 105 (73) | Present | 39 (27) | Tumor border on MRI (, %) | | Pushing | 57 (40) | Infiltrative | 87 (60) |
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, standard deviation; ; undifferentiated pleomorphic sarcoma.
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