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Table 1 Patients’ characteristics

From: Hematopoietic islands mimicking osteoblastic metastases within the axial skeleton

Patient

Age

Sex

Lesion localisation [n]

Lesion sizea

Previous malignancy

Primary CT-guided biopsy

MRI follow-up [months]

1

66

f

Thoracic spine [3]

Lumbar spine [1]

0,8 × 0,6

1,0 × 1,0

1,6 × 1,2

1,6 × 1,6

Breast cancer

yes

28b

2

67

f

Os sacrum [1]

1,3 × 1,1

Gastric SRCC

no

96

3

64

f

Os sacrum [1]

1,1 × 1,2

Breast cancer

yes

 

4

65

f

Os sacrum [1]

1,6 × 1,7

no

yes

 

5

53

f

Rib [1]

1,8 × 0,8

no

yes

50 b

6

50

f

Lumbar spine [1]

1,5 × 1,3

Breast cancer (IDC)

no

29

7

73

f

Lumbar spine [1]

1,0 × 0,9

no

no

20

8

72

f

Thoracic spine [1]

1,3 × 1,2

no

no

6

9

49

m

Lumbar spine [1]

Os ilium [1]

1,0 × 1,0

1,2 × 1,3

no

yes

 

10

74

f

Lumbar spine [1]

2,1 × 1,8

no

no

11

Total [n]

10

Mean [years]

63.3 (49–74)

Median [years] 65.5

Male/ female ratio [n]

1/9

Total [n]

14

Mean [cm2]

1.72 (0.48–3.78)

Median [cm2]

1.46

Total [n]

4

Total [n]

5

Mean [months]

34.2 (6–96)

Median [months]

28

  1. f Female, m Male, SRCC Signet ring cell carcinoma, IDC Invasive ductal carcinoma
  2. alesion size [cm x cm, axial T2- weighted images]
  3. badditional MRI follow-up in patients who underwent CT-guided biopsy