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WHO Classification of Tumours
B lymphoblastic leukaemia/lymphoma with t(12;21)(p13;q22); TEL-AML1 (ETV6-RUNX1)
Tumours of haematopoietic and lymphoid tissues


Definition

A neoplasm of lymphoblasts committed to the B lineage with a translocation between the TEL (ETV6) gene on chromosome 12 with the AML1 (RUNX1) gene on chromosome 12.

> Related Topics
B lymphoblastic leukaemia/lymphoma with recurrent genetic abnormalities.
Introduction: Classification of lymphoid neoplasms