Characteristics of patients.
| Characteristics | N (%) |
|---|---|
| Sex | |
| Male | 34 (54.0%) |
| Female | 29 (46.0%) |
| Median age at diagnosis (range, yr) | 8 (2–19) |
| Immunophenotype | |
| T-LBL | 39 (61.9%) |
| B-LBL | 21 (33.3%) |
| Unknown | 3 (4.8%) |
| Mediastinal mass | 29 (46.0%) |
| Median LDH level (IU/L) | 962 (447–3,297) |
| Stagea) | |
| I | 8 (12.7%) |
| II | 10 (15.9%) |
| III | 21 (33.3%) |
| IV | 24 (38.1%) |
| Initial CNS involvement | |
| Involved (+) | 2 (3.2%) |
| Involved (-) | 59 (93.7%) |
| Unknown | 2 (3.2%) |
| Initial BM involvement | |
| Involved (+) | 21 (33.3%) |
| Involved (-) | 42 (66.7%) |
a)Murphy and St Jude Children’s Research Hospital Staging system.
Abbreviations: BM, bone marrow; CNS, central nervous system; LBL, lymphoblastic lymphoma; LDH, lactate dehydrogenase.
Blood Res 2020;55:262~274 https://doi.org/10.5045/br.2020.2020220
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