Table 5. Consensus criteria for relapse... | American Society of Hematology

Table 5.

Consensus criteria for relapse definition in pediatric ALL: CNS relapse

CSF 1	CSF 2^*
Cytomorphology	Cytomorphology	Others
CNS3^†	Not necessary to define relapse	Not necessary to define relapse
CNS2	CNS2	One other positive test

CSF 1	CSF 2^*
Cytomorphology	Cytomorphology	Others
CNS3^†	Not necessary to define relapse	Not necessary to define relapse
CNS2	CNS2	One other positive test

Second CSF evaluation ≥1 wk later.

May be defined by cytomorphology, imaging, or biopsy.