Hepatobiliary Malignancies Flashcards
What is the most common source of liver cancer?
Metastasis from other organs.
Which lobes does the falciform ligament run between?
Between2/3 and 4.
What are the main functions of the liver?
Glycogen storage
Bile production
Coagulation factors
Blood filter
What are the different Benign Liver Lesions
FNH-Focal Nodular Hyperplasia
Simple Cyst
Hemangioma
Adenoma
What is the defining feature of Focal Nodular Hyperplasia?
Nodular hyperplastic parenchyma with one or more macroscopic central scars.
What are the traits of Liver Cell Adenoma?
Rare proliferation of Benign hepatocytes
symptomatic 1/2 the time
Risk of rupture or malignant proliferation
What are the traits of Hemangiomas?
Most common benign tumor of the liver;
microscopically, Endothelium lined, blood filled spaces;
>5cm are termed giant hemangiomas
What is the type of liver cancer that develops from hepatocytes?
Hepatocellular Carcinoma
What is cancer that develops within the intrahepatic bile ducts?
Cholangiocarcinoma
What are the risk factors for HCC?
Males Aflatoxin Hep B/C Cirrhosis Hemochromatosis Wilson's disease alpha 1 Anti Trypsin deficiency NASH, Non-alcoholic Steatohepatitis
What is the main cause of NASH?
Obesity
What is the leading cause of cirrhosis?
Alcohol abuse
What is the leading cause of Primary Billiary cirrhosis?
Autoimmune disease
What are Aflatoxins?
Cancer causing substance that is produced from fungi. more common in warmer and tropical climates.
What are the main types of HCC?
Hepatocellular: Solitary, diffuse, and fibrolamellar
Cholangiocarcinoma, and Hepabtoblastoma