Alternative titles and symbols : Oncogene b-cell leukemia 2;
Included titles and symbols : Leukemia/lymphoma, b-cell, 2;
Inheritance : Somatic mutation;
Molecular basis : BCL2 gene on chromosome 18q21 is juxtaposed to IGH gene at 14q32, resulting chimeric
BCL2-IGH mRNA is expressed blocking apoptosis;
Neoplasia : Follicular non-Hodgkin lymphoma;
Laboratory abnormalities : Translocation between 18q21 and 14q32; Detection by RT-PCR and Southern blot analysis for primary diagnosis and follow up
for residual disease;