Translations:Types/midline/patient-child-midline-tract-carcinoma-treatment-pdq/25/en

• Cytogenetic analysis: A laboratory test in which the chromosomes of cells in a sample of bone marrow, blood, tumor, or other tissue are counted and checked for any changes, such as broken, missing, rearranged, or extra chromosomes. Changes in certain chromosomes may be a sign of cancer. Cytogenetic analysis is used to help diagnose cancer, plan treatment, or find out how well treatment is working. Other tests, such as fluorescence in situ hybridization (FISH), may also be done to look for certain changes in the chromosomes.