Patients with LLy (n=126)
Median age in years (range): 9.6 (0.8-17.7 )
Immunophenotype T cell: 60 (47.6%) B-cell: 49 (38.8%) Unknown: 17 (13.4%)
Sites of disease: Mediastinum Lymph node Bone Marrow Thoracic/abdominal effusions CNS Extranodal: Bone Skin and soft tissues Abdomen Other organs like parotid, testicles, ovary, lung 59 (46.8 %) 53 (42 %) 22 (17.4 %) 12 (9.5%) 4 (3 %) 50 (39.6 %) 14 (28%) 13 (26%) 9 (18%) 8 (16%)
Median LDH (IU/L; range): 1057 (134-22426)
Stage I/II III/IV Unknown 25 (19.8%) 71/26 (76.9%) 4 (3 %)
Medical complications at diagnosis -Superior vena cava syndrome Tumor lysis syndrome Others 20 (15.8%) 4 (3%) 18 (14.2%)