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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