Intraoperative Radiotherapy in the Management of Locally Recurrent Extremity Soft Tissue Sarcoma

Table 1

Baseline patient characteristics at time of reresection and IORT ( = 26).

Patient characteristic	Number of patients (%)
Age
Median	51 years
Range	12–76 years
≤18	1 (4%)
19–50	12 (46%)
>50	13 (50%)
Gender
Female	15 (58%)
Male	11 (42%)
Site
Lower extremity	11 (42%)
Upper extremity	15 (58%)
Histology
Undifferentiated pleomorphic sarcoma	7 (27%)
Synovial sarcoma	5 (19%)
Liposarcoma	4 (15%)
Fibrosarcoma	3 (11.5%)
Spindle cell sarcoma	3 (11.5%)
Leiomyosarcoma	1 (4%)
Malignant peripheral nerve sheath tumor	1 (4%)
Rhabdomyosarcoma	1 (4%)
Soft tissue sarcoma, NOS	1 (4%)
T stage
T1	12 (46%)
T2	14 (54%)
Depth
Superficial	4 (15%)
Deep	22 (85%)
Grade (FNCLCC)
1	6 (23%)
2	6 (23%)
3	14 (54%)
AJCC group stage
I	6 (23%)
II	11 (42%)
III	5 (19%)
IV	4 (15%)
Initial local recurrence type
Single	20 (77%)
Multiple	6 (23%)
Time to initial recurrence
Median	17 mo.
Range	3–199 mo.