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Table 5 The results, mean (standard deviation), of the connected-component analysis on the temperature increase distributions for the four focusing approaches for the different target categories

From: Full-wave acoustic and thermal modeling of transcranial ultrasound propagation and investigation of skull-induced aberration correction techniques: a feasibility study

Quantity

Approach

ST above FP

ST below FP

CT

All targets

D[mm]

DPC

0.9 (0.3)

2.3 (2.3)

11.0 (10.6)

5.2 (7.9)

 

RTPC

0.6 (0.2)

3.0 (2.7)

8.7 (9.5)

4.7 (6.8)

 

SPC

0.3 (0.1)

0.8 (1.1)

0.5 (0.2)

0.6 (0.8)

 

SPAC

0.3 (0.1)

0.5 (0.1)

0.5 (0.1)

0.5 (0.1)

T[°C]

DPC

17.9 (6.1)

6.2 (3.9)

1.7 (0.7)

6.7 (6.8)

 

RTPC

23.2 (4.1)

6.5 (4.2)

1.7 (0.5)

7.8 (8.3)

 

SPC

42.2 (3.5)

19.7 (6.5)

11.0 (2.0)

20.6 (11.9)

 

SPAC

51.9 (4.2)

27.4 (8.6)

21.3 (4.3)

29.6 (12.7)

V[mm 3]

DPC

134.0 (47.4)

434.0 (594.9)

450.4 (544.2)

385.4 (532.1)

 

RTPC

71.0 (4.7)

305.6 (386.2)

214.5 (176.6)

229.8 (294.0)

 

SPC

51.5 (3.6)

62.6 (43.8)

38.5 (3.9)

51.8 (31.6)

 

SPAC

51.3 (4.8)

52.0 (11.0)

66.9 (35.7)

57.3 (24.0)

  1. D is the distance between the intended target and the nearest lesion, T is the peak temperature increase in that lesion, and V is the volume of that lesion. ST structure targets, CT cortex targets, FP focal plane