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 (, %)
 Female63 (44)
 Male81 (56)
Presentation status (, %)
 Fresh101 (70)
 Recurred22 (15)
 Unplanned excision21 (15)
Radiation therapy (, %)
 Preoperative1 (1)
 Postoperative82 (57)
 Not done61 (42)
Dose of radiation therapy (Gy, range)60 (50–65)
Chemotherapy (, %)
 Preoperative3 (2)
 Postoperative18 (13)
 Pre- and postoperative7 (5)
 Not done116 (80)

Tumor characteristics

Size (cm, SD)7.7 (6.4)
Depth (, %)
 Superficial21 (15)
 Deep123 (85)
Compartmental status (, %)
 Intracompartmental91 (63)
 Extracompartmental53 (37)
FNCLCC grade (, %)
 123 (16)
 254 (38)
 367 (46)
Histologic type (, %)
26 (18)
 Synovial sarcoma23 (16)
 Myxofibrosarcoma22 (15)
 Liposarcoma17 (12)
 Leiomyosarcoma14 (10)
 Others42 (29)

MRI characteristics

Peritumoral edema (, %)
 Absent105 (73)
 Present39 (27)
Tumor border on MRI (, %)
 Pushing57 (40)
 Infiltrative87 (60)

, standard deviation; ; undifferentiated pleomorphic sarcoma.