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Table 2 Comparison of MRI/CT and PET findings for detection of infracranial invasion in meningiomas with SB transgression on a lesional basis.

From: Magnetic resonance imaging, computed tomography, and 68Ga-DOTATOC positron emission tomography for imaging skull base meningiomas with infracranial extension treated with stereotactic radiotherapy - a case series

Pat. No.

Volume MRI/CT (cm3)

Volume PET

(cm3)

Infracranial invasion

Infracranial invasion

Infracranial invasion

Infracranial invasion

Infracranial invasion

Infracranial invasion

Infracranial volume

Infracranial volume

   

ITF

PPF

Masticator space

Carotideal space

Para-pharyngeal space

Retro-pharyngeal space

MRI/CT (cm3)

PET (cm3)

1

52.2

69.3

   

MRI/CT+PET

MRI/CT+PET

MRI/CT+PET

15.9

26.9

2

12.4

7.3

   

MRI/CT+PET

MRI/CT+PET

 

3.4

2.4

3

13.9

23.1

PET

 

PET

PET

  

0

0.3

4

21.7

10.6

PET

PET

PET

   

0.15

1.6

5

68.2

100.6

MRI/CT+PET

MRI/CT+PET

MRI/CT+PET

 

-

 

15.4

21.7

6

30.5

43.1

MRI/CT+PET

MRI/CT+PET

MRI/CT+PET

   

12.2

17.7

7

62.8

106.0

MRI/CT+PET

MRI/CT+PET

MRI/CT+PET

   

24.4

30.6

8

39.7

41.5

MRI/CT+PET

 

MRI/CT+PET

 

MRI/CT+PET

 

2.2

2.5

9

17.6

19.0

MRI/CT+PET

MRI/CT+PET

    

8.8

9.0

10

35.2

28.5

MRI/CT+PET

  

MRI/CT+PET

  

8.0

9.7

11

52.5

41.0

MRI/CT+PET

MRI/CT+PET

MRI/CT+PET

   

21.7

24.4

12

9.6

15.0

PET

     

0

0.3

13

4.6

3.5

MRI/CT+PET

MRI/CT+PET

MRI/CT+PET

   

10.0

6.0

14

76.0

67.8

MRI/CT+PET

MRI/CT+PET

MRI/CT+PET

   

9.3

6.1

15

27.1

8.0

   

MRI/CT+PET

MRI/CT+PET

 

0.3

0

16

19.6

39.4

   

MRI/CT+PET

MRI/CT+PET

PET

1.2

1.6

  1. ITF = Infratemporal fossa; PPF = Pterygopalatine fossa.