B Acute Lymphoblastic Leukemia with TCF4-HLF Rearrangement

**Semantic type:** Neoplastic Process

**Definition:** An exceptionally rare childhood B acute lymphoblastic leukemia associated with TCF4-HLF gene rearrangement resulting in the formation of TCF4-HLF chimeric transcription factor. The prognosis is poor.

**Synonyms:** - B Acute Lymphoblastic Leukemia with TCF4::HLF Rearrangement - B-ALL with TCF4-HLF Rearrangement - B-ALL with TCF4::HLF Rearrangement - B-Acute Lymphoblastic Leukemia with TCF4-HLF Rearrangement - B-Acute Lymphoblastic Leukemia with TCF4::HLF Rearrangement