Research purpose:
1. To investigate the efficacy and safety of SCCCG-LBL-2017 in Chinese children with LBL.
2. To explore the feasibility of risk stratification of T-LBL by combining genotyping.
3. To investigate the correlation between MDD and MRD in lymphoblastic lymphoma and prognosis.
4. To investigate the role of PET/CT in the assessment of residual lymphoblastic lymphoma.
5. To explore the effect of reducing HD-MTX dosage and shortening maintenance therapy time on the efficacy and survival of low-risk LBL patients.
6. To explore the effect of prolonging the duration of maintenance therapy on the efficacy and survival of high-risk LBL patients.
