Biliary Tract Malignancy

Cancer Is A Genetic Disorder That Results From Mutations

September 2011

It is important to remember that cancer is a genetic disorder that is characterized by chromosomal abnormalities such as aneuploidy (as is shown in the tumor karyotype on the left) and molecular genetic abnormalities (as is shown in the DNA sequence of the KRAS oncogene of a tumor on the right). These mutations promote tumor formation and progression.

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Cancer Is A Genetic Disorder

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Jump to section:

• Introduction
• Disclosures
• Pancreatobiliary Strictures (PBS)
• Primary Sclerosing Cholangitis (PSC)
• Pancreatobiliary Strictures (PBS)
• Bile Duct Brushings
• Current Clinical Practice
• Factors That Influence Sensitivity Of Cytology Specimens
• Routine Cytology
• Cancer Is A Genetic Disorder That Results From Mutations
• Detecting Tumor Cells in Cytology Specimens Using FISH
• Types of FISH Probes
• FISH
• Sensitivity and Specificity of Various Tests for Detection of Pancreatobiliary Strictures Malignancy
• What Do We Do With These Data?
• Bile Duct Pathology Calculator
• Representative Test Report Using Bile Duct Calculator
• Bile Duct Calculator
• Impact of Disease Prevalence on Positive Predictive Value (PPV)
• Case 1
• Case 1 Cytologic Findings
• Case 1
• Case 1 Test Report Using Bile Duct Calculator
• Case 1
• Case 1
• Case 2
• Case 2 Cytologic Findings
• Case 2
• Case 2: Test Report Using Bile Duct Calculator
• Case 2
• Case 2
• Case 3
• Case 3 Cytologic Findings
• Case 3
• Case 3
• Case 3: Test Report Using Bile Duct Calculator
• Case 3
• Case 3
• Summary
• Summary
• Results
• Questions?