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Table 3 Vessel wall changes of each arterial segment (N = 284) grouped according to different imaging findings

From: Does [18F]F-FDG-PET/MRI add metabolic information to magnetic resonance image in childhood-onset Takayasu’s arteritis patients? A multicenter case series

Arterial Segments

PET+ (VS = III)

MRA+ (T + E)

Group 1 PET+MRA+

Group 2 PET+MRA−

Group 3 PET−MRA+

RCC

2

1

0

2

1

LCC

1

3

0

1

3

Right vertebral

0

0

0

0

0

Left vertebral

0

0

0

0

0

Ascending aorta*

11

5

5

6

0

Aortic arch

3

4

1

2

3

Descending aorta

1

5

1

0

4

Innominate

1

1

0

1

1

Right subclavian

1

1

0

1

1

Left subclavian

0

2

0

0

2

Celiac trunk

1

0

0

1

0

Superior mesenteric

0

0

0

0

0

Abdominal aorta

0

4

0

0

4

Right renal

3

0

0

3

0

Left renal

4

0

0

4

0

Right iliac

5

0

0

5

0

Left iliac

2

0

0

2

0

Number of arterial segments

35

26

7

28

19

  1. PET positron emission tomography, MRA magnetic resonance angiography, c-TA childhood-onset Takayasu’s arteritis, PET positron emission tomography, MRA magnetic resonance angiography, PET+MRA+ presence of signs of vessel-wall inflammation on PET and MRA, PET+MRA− presence of signs of vessel-wall inflammation on PET but not on MRA, PET−MRA+ absence of signs of vessel-wall inflammation on PET and presence on MRA, VS visual score, T + E thickening + enhancement, RCC right common carotid, LCC left common carotid
  2. * Significant difference (P < 0.05)
  3. Vessel-wall changes in PET and MRA from vessels that have undergone surgical intervention (5 arterial segments) were not considered