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Table 1 Summary of imaging features of metastatic ASPS lesions

From: iCREATE: imaging features of primary and metastatic alveolar soft part sarcoma from the EORTC CREATE study

Total Number of patients, n = 32

N (%)

Number of lesions

Size range, (mean) cm

Feeding vessel

n (%)

Hyper-vascular

n (%)

Well-defined

n (%)

Haemorrhage

n (%)

Necrosis

n (%)

Calcification

n (%)

1 to 5

6 to 9

> 10

Site

 Pulmonary

30 (94)

2

7

23

0.2–5.8 (1.8)

21 (70)

25 (83)

28 (93)

0 (0)

11 (37)

0 (0)

 Brain/CNS

2 (6)

   

1.3–2.1 (1.7)

1 (50)

2 (100)

2 (100)

0 (0)

1 (50)

0 (0)

Visceral

 Liver

3 (9)

3

  

1.1–4.1 (2.2)

1 (33)

1 (33)

3 (100)

0 (0)

2 (67)

0 (0)

 Spleen

3 (9)

3

  

1.5–5 (3.0)

0 (0)

0 (0)

3 (100)

0 (0)

3 (100)

0 (0)

 Renal

2 (6)

2

  

2.1–3.5 (2.6)

0 (0)

1 (50)

2 (100)

0 (0)

1 (50)

0 (0)

 Adrenal

2 (6)

2

  

2.4–3 (2.7)

0 (0)

1 (50)

2 (100)

0 (0)

2 (100)

0 (0)

Nodal

 Mediastinal

6 (19)

2

3

 

1.6–9.1 (3.1)

4 (60)

4 (67)

5 (83)

0 (0)

6 (100)

0 (0)

 Pelvic

1 (3)

1

  

2.1 (2.1)

0 (0)

0

0 (0)

0 (0)

0 (0)

0 (0)

Subcutaneous

1 (3)

1

  

1.4 (1.4)

1 (100)

1 (100)

1 (100)

0 (0)

0 (0)

0 (0)

Intramuscular

4 (13)

4

  

1.4–4.3 (6.7)

4 (100)

4 (100)

4 (100)

0 (0)

0 (0)

0 (0)

Bone

 Metastases

5 (16)

          

  Soft tissue

3 (9)

          

  Lytic

2 (6)

          

  Sclerotic

1 (3)

          

  Mixed

2 (6)