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Table 1 Characteristics of 206 patients with bone plasmacytoma

From: Prognostic factors in solitary plasmacytoma of the bone: a multicenter Rare Cancer Network study

  Number of patients Percentage
Staging Work-up
   Bone-marrow assessment 206 100
   Standard X-rays 167 82
   Computer tomography 135 67
   Serum immunoglobulins 120 58
   Immunosubtraction 131 64
   MRI 76 37
   Bone scintigraphy 60 29
Site of lesion
   Vertebrae 102 50
   Pelvis 26 12
   Ribs 18 9
   Upper extremities 16 8
   Maxillary bone 13 6
   Skull 11 5
   Lower extremities 10 5
   Sternum 10 5
Surgical intervention
   Biopsy 137 67
   Partial resection 66 32
   Complete resection 3 1
Treatment
   RT alone 169 82
   CT+RT 32 16
   Surgery alone (+CT in one) 5 2
  1. MRI: magnetic resonance imaging, RT: radiation therapy, CT: chemotherapy.