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Biliary Tract Malignancy

Clinical Overview and Novel Detection Method



Related Video

For information on specimen collection and processing, see Biliary Tract Malignancy by FISH Testing.

Contact Dr. Gores

For questions regarding the management or treatment of a patient with this condition, contact Dr. Gores (Monday-Friday) at 507-284-6488.

Detecting Tumor Cells in Cytology Specimens Using FISH

Slide 11

September 2011

Because most solid tumors exhibit aneuploidy (that is an abnormal number of chromosomes) and normal cells do not show chromosomal abnormalities, a technique that is known as FISH can be used to help determine if tumor cells are present in a specimen. FISH stands for fluorescence in situ hybridization and is a technique that utilizes fluorescently labeled probes to various DNA targets to determine if a cell has chromosomal abnormalities such as aneuploidy.

Detecting Tumor Cells in Cytology Specimens

 


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