Biliary Tract Malignancy

Case 1

September 2011

Our first case is a 33-year-old male with multiple medical problems including recurrent urinary tract infections, polynephritis, and chronic anemia; he is status post small bowel resection for obstruction with resulting short bowel syndrome, and chronic abdominal pain. The patient presented with symptoms of biliary colic. A CT scan demonstrated gallstones with impacted stones in the distal common bile duct. An ERCP was performed and the stones extracted. Biliary brush cytology was sent for routine cytology and FISH studies.

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• 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?