Dictionary of Cancer Terms
View in Spanish: Cromosoma Filadelfia
Philadelphia chromosome (FIH-luh-DEL-fee-uh KROH-muh-some)
An abnormality of chromosome 22 in which part of chromosome 9 is transferred to it. Bone marrow cells that contain the Philadelphia chromosome are often found in chronic myelogenous leukemia.
Source: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.