Table 1 Patient and primary tumor characteristics (n = 10)

Age at implant (years)

 Median (range)

15 (4–20)

Gender

 Male

7

70

 Female

3

30

Pathology of primary tumor

 Fibrosarcoma

5

50

 Alveolar soft tissue sarcoma

2

20

 Primitive neuroectodermal tumor

1

10

 Epithelioid sarcoma

1

10

 Rhabdomyosarcoma

1

10

Primary tumor stage (AJCC 7th de, 2010)

 I A

3

30

 II A

1

10

 III

3

30

 IV

3

30

Pre-seed implant therapy

 Surgery + EBRT + CTx

1

10

 Surgery + EBRT

3

30

 Surgery + CTx

1

10

 EBRT + CTx

2

20

 Surgery

3

30

Follow-up (month)

 Median (range)

27.5 (6–107)