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

Table 2

Treatment characteristics.

Treatment characteristic	Number of patients (%)
Surgical margins
Positive	12 (46%)
Close (≤2 mm)	7 (27%)
Negative	7 (27%)
Radiation therapy
EBRT prior to recurrence	15 (58%)
Median dose (range)	63 Gy (25–72)
EBRT following IORT	11 (42%)
Median dose (range)	52 Gy (22–60)
IORT cone size
Median	7 cm
Range	3–10 cm
IORT dose
Median	15 Gy
Range	10–18 Gy
Chemotherapy ( = 24)
As part of initial therapy	6 (25%)
Peri-IORT	13 (54%)
Peri-IORT chemotherapy schedule
Pre-IORT alone	6 (25%)
Post-IORT alone	6 (25%)
Pre- & Post-IORT	1 (4%)