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Table 1 Baseline characteristics at the initial diagnosis of metastasis (N = 48)

From: Prognostic factors of metastatic myxoid liposarcoma

    a, b, c, ¶
Variable n %  
Sex
 Male 34 70.8  
 Female 14 29.2  
Age [median: 43 years (26–72)]
  < 45 26 54.2  
  ≥ 45 years 22 45.8  
Time to metastasisa [median: 13.2 months (0–140.1)]
at primary diagnosis (M1) 14 29.2  
during follow up (M0) [median: 27.5 m] 34 70.8  
   < 24 months 16 33.3  
   ≥ 24 12 25.0  
   ≥ 60 6 12.5  
Number of metastasis at the initial diagnosis of metastasis
 single 25 52.1  
 multiple 23 47.9  
Location of metastasisb (number of patients)
lung 9 18.8  
extrapulmonary metastasis 45 93.8  
  bone 15 31.3  
  abdomen or retroperitoneum 11 22.9  
  liver 9 18.8  
  other soft tissuesc 23 47.9  
Size of the largest metastasis [median: 5 cm (1–20)]
  < 10 cm 37 82.2  
  ≥ 10 8 17.8  
Diagnostic modality for the first metastasis
 CT with contrast enhancement 22 45.8  
 CT without contrast enhancement 13 27.1  
 MRI 11 22.9  
 PET-CT 1 2.1  
 Others 1 2.1  
  1. a Interval from primary diagnosis to the first metastasis
  2. It was defined as 0 month in M1 patients
  3. b Presence of metastasis in indicated organ with or without that in another location
  4. c including lymph node metastasis
  5. Abbreviations: CT computed tomography; MRI magnetic resonance imaging; PET-CT positron emission tomography
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