B-Cell Acute Lymphoblastic Leukemia Associated with Isolated and Recurrent Central Nervous System Relapse with a Novel t(6;19)(q21;p13) Translocation: A Case Report
B-cell acute lymphoblastic leukaemia (B-ALL) is a haematological malignancy characterised by the clonal proliferation of B-lymphoid precursors. Cytogenetic and molecular alterations are central to B-ALL classification and diagnosis according to the 2024 World Health Organization (WHO) guidelines. Although recurrent abn...