Alternative titles and symbols : Leukemia, chronic myelogenous;
Included titles and symbols : Leukemia, chronic myeloid, atypical; ACML; Leukemia, philadelphia chromosome-positive, resistant to imatanib;
Inheritance : Somatic mutation;
Molecular basis : Translocation of cellular oncogene C-ABL (189980) to the BCR gene on chromosome 22
resulting in chimeric BRC-ABL gene;
Laboratory abnormalities : Low leukocyte alkaline phosphatase activity; Two alternative chimeric oncogene products called p210(BCR-ABL) and p185(BCR-ABL); Presence of the Philadelphia chromosome (translocation of 9q34 and 22q11) in greater
than 95% of patients; Detection by RT-PCR, Southern blot analysis, and FISH for primary diagnosis and follow
up for residual disease;