Diagnosing Hilar Cholangiocarcinoma
Hilar cholangiocarcinoma (also called perihilar bile duct cancer) is a cancer that starts in the bile duct where the left and right hepatic ducts join and leave the liver. To diagnose hilar cholangiocarcinoma, several examinations, screening tests, and procedures may be performed. These help confirm the diagnosis and determine the type, severity, or stage of the condition. The specialists involved in diagnosing hilar cholangiocarcinoma may include doctors, nurses, physician's assistants, and lab technicians. Here are the details:
- Physical Exam: During a physical exam, a healthcare provider will look for physical signs of a medical problem such as pain, swelling, or the presence of masses within the body.
- Lab Tests: Laboratory tests may be ordered to check a sample of blood, urine, or body tissues. The type of lab tests ordered will depend on the symptoms and diseases being considered. Lab findings associated with hilar cholangiocarcinoma may include fever.
- Imaging Studies: Diagnostic imaging studies allow doctors to look inside a patient's body for clues to help diagnose or manage a disease. The type of imaging study chosen depends on the patient's symptoms and the part of the body being examined. Common imaging studies for hilar cholangiocarcinoma include:
- Right upper quadrant ultrasound: This provides pictures of the liver, gallbladder, and common bile duct. It can show enlargement of the ducts above a blockage.
- Computed tomography (CT) scan or magnetic resonance imaging (MRI) scan of the liver: These scans provide detailed images of the liver to detect any abnormalities.
- Magnetic resonance cholangiopancreatography: This is a non-invasive imaging technique that visualizes the bile ducts.
- Endoscopic Retrograde Cholangiopancreatography (ERCP): This examination involves inserting a small camera on a flexible cord through the mouth and down to where the common bile duct empties into the stomach. A dye can be injected into the common bile duct that will appear on X-rays. It helps visualize the bile ducts and obtain samples for further examination.
- Biopsy: During an ERCP or other procedures, samples of cells from the bile duct walls can be taken and examined under a microscope for evidence of cancer.
These examinations, tests, and procedures help confirm a diagnosis of hilar cholangiocarcinoma by providing visual images and analyzing samples for cancerous cells. They also help determine factors such as type, severity, or stage of hilar cholangiocarcinoma.
It's important to note that these procedures are typically performed by various healthcare providers before results are reviewed by your doctor. If you experience any worsening or changes in symptoms after these procedures or exams, it is crucial to follow up with your healthcare provider for further evaluation and guidance.