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Table 1 Patients and tumor characteristics

From: Defining the optimal dose of radiation in leukemic patients with extramedullary lesions

Patients Characteristics No (%)
Gender  
Male 11 (45.8)
Female 13 (54.2)
Age, median (range) 30 (5-69)
Primary disease  
AML 18 (75.0)
ALL 5 (20.8)
CML 1 (4.2)
Disease pattern  
Before 1st remission 7 (29.2)
First manifestation of 1st relapse 11 (45.8)
After relapse 6 (25.0)
History of SCT (+) 14 (58.3)
History of TBI (+) 9 (37.5)
Biopsy confirmed (+) 14 (33.3)
Tumor site  
Bone 19 (45.2)
Soft tissue 16 (38.1)
Lymph nodes 5 (11.9)
Solid organ 2 (4.8)
Initial tumor size (LD), cm median (range) 4.8 (1.1-15.0)
Initial tumor size (BP), cm2 median (range) 10.13 (0.88-54.0)
Initial tumor volume, cm3 median (range) 43.3 (1.5-247.5)
Total 24 patients, 42 sites
  1. Abbreviations: AML = Acute myeloid leukemia, ALL = Acute lymphocytic leukemia, CML = Chronic myeloid leukemia, SCT = Stem cell transplantation, TBI = Total body irradiation, LD = Largest dimension, BP = Bidimensional product