title: A case of chronic myeloid leukemia with a "masked" Philadelphia chromosome.
abstract: A case is described of a 67-year-old man with chronic myeloid leukemia and a "masked" Philadelphia chromosome due to a translocation between chromosomes #4 and #22. The significance of this case in relation to the possible pathogenesis of chronic myeloid leukemia is discussed.
authors.forename: P B
authors.initials: PB
authors.lastname: Coates
authors.forename: S
authors.initials: S
authors.lastname: Bain
authors.forename: P T
authors.initials: PT
authors.lastname: Clarke
mesh_terms: D000368:Aged; D002894:Chromosomes, Human, Pair 4; D005819:Genetic Markers; D006801:Humans; D007621:Karyotyping; D007951:Leukemia, Myeloid / Q000235:genetics*; D008297:Male; D010677:Philadelphia Chromosome; D014178:Translocation, Genetic
chemical_list: D005819:Genetic Markers