Skip to main content

Table 1 Patient, tumor and treatment characteristics

From: Clinical results of mean GTV dose optimized robotic guided SBRT for liver metastases

  

Total

%

Patients

 

52

 

Lesions

 

91

 

Gender

   
 

Male

30

57.7

 

Female

22

42.3

Age

Median (range) in years

62

(37–89)

Karnofsky-Index

Median (range) in %

90

(60–100)

Primary Tumor

   
 

Colorectal

22

42.3

 

Breast

4

7.7

 

Lung

4

7.7

 

Other

22

42.3

Extra-hepatic Disease

   
 

No

33

63.5

 

Yes

19

36.5

Time of SBRT

   
 

At first diagnosis of metastases

14

26.9

 

After local therapy

5

9.6

 

After chemotherapy

33

63.5

Time to SBRT

Median (range) in months

7

(0–56)

Lesions per Treatment

   
 

1

39

63.9

 

2

17

27.9

 

3

2

3.3

 

4

3

4.9

 

Total

  

Repeat Procedures

   
 

2

3

5.8

 

3

3

5.8

GTV Volume

Median (range) in cc

12

(1–372)

Max GTV Dimension

Median (range) in cm

2.8

(1.2–8.9)

PTV Dose per Lesion

   
 

3 × 15 Gy

21

23.0

 

3 × 14 Gy

10

11.0

 

3 × 13 Gy

15

20.9

 

3 × 12 Gy

14

15.4

 

3 × 8-10 Gy

10

11.0

 

4 × 7-10 Gy

11

12.1

 

5 × 6-9 Gy

10

11.0

PTV Prescription BED

Median (range) in Gy

86.1

(40.6–112.5)

GTV Mean BED

Median (range) in Gy

142.1

(60.2–165.3)

  1. GTV Gross Tumor Volume, PTV Planning Target Volume, BED Biological Effective Dose