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Table 6 The imperial tumour index for the different tissue types

From: Objective image analysis of real-time three-dimensional intraoperative ultrasound for intrinsic brain tumour surgery

 

MPB

SD

ITI

Grade IV solid

188.8

11.6

16.3

Grade IV necrotic

123.2

15.2

8.1

Grade IV interface

70.8

15.4

4.6

Grade III core

166.7

12.2

13.7

Grade III periphery

120.2

12.1

9.9

Grade III interface

83.3

13.0

6.4

Grade II astrocytoma core

85.8

10.3

8.3

Grade II astrocytoma periphery

77.8

11.4

6.8

Grade II astrocytoma interface

61.5

10.4

5.9

Oligodendroglioma transformed

182.2

16.9

10.8

Oligodendroglioma grade II

122.2

13.5

9.1

Oligodendroglioma interface

31.5

14.1

2.2

Pilocytic astrocytoma core

124.5

14.1

8.8

Pilocytic astrocytoma interface

38.1

11.5

3.3