NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 8,044 terms related to cancer and medicine.
- Philadelphia chromosome
- listen (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 and sometimes found in acute lymphocytic leukemia.