Ampullary Carcinoma
Ampullary Carcinoma Brooke R. Jeffrey, MD Amir A. Borhani, MD Key Facts Terminology Malignant epithelial neoplasm (adenocarcinoma) arising from ampulla of Vater Imaging Ampullary mass with variable attenuation (most often…
Mucinous Cystic Pancreatic Tumor
Mucinous Cystic Pancreatic Tumor Brooke R. Jeffrey, MD Michael P. Federle, MD, FACR Key Facts Terminology Thick-walled, uni-/multilocular, low-grade malignant tumor composed of large, mucin-containing cysts Imaging Enhancing multiseptated mass…
Pancreatic Pseudocyst
Pancreatic Pseudocyst Brooke R. Jeffrey, MD Michael P. Federle, MD, FACR Key Facts Imaging Collection of fluid, tissue, debris, pancreatic enzymes, and blood surrounded by fibrous capsule Develops after 4…
Pancreatic Solid and Pseudopapillary Neoplasm
Pancreatic Solid and Pseudopapillary Neoplasm Brooke R. Jeffrey, MD Michael P. Federle, MD, FACR Key Facts Imaging Encapsulated solid mass with cystic or hemorrhagic foci but no septation; in young…
Pancreatic Cysts
Pancreatic Cysts Brooke R. Jeffrey, MD Michael P. Federle, MD, FACR Key Facts Terminology Congenital, true, or epithelial pancreatic cyst Refers to nonneoplastic, noninflammatory cysts Imaging Usually quite small (<…
Autoimmune (IgG4) Pancreatitis
Autoimmune (IgG4) Pancreatitis Brooke R. Jeffrey, MD Michael P. Federle, MD, FACR Key Facts Terminology Autoimmune form of chronic pancreatitis responding dramatically to steroid therapy Imaging Diffusely or focally enlarged…
Chronic Pancreatitis
Chronic Pancreatitis Brooke R. Jeffrey, MD Michael P. Federle, MD, FACR Key Facts Terminology Irreversible inflammatory damage to pancreas, usually evident on imaging or functional testing Imaging Approximately 90% of…
Pancreatic Infected Necrosis and Abscess
Pancreatic Infected Necrosis and Abscess Brooke R. Jeffrey, MD Michael P. Federle, MD, FACR Key Facts Imaging Infected pseudocyst: Often has same appearance as noninfected pseudocyst Abscess: Well-circumscribed fluid collection,…
Groove Pancreatitis
Groove Pancreatitis Brooke R. Jeffrey, MD Michael P. Federle, MD, FACR Key Facts Terminology Chronic segmental pancreatitis in pancreaticoduodenal groove Pancreaticoduodenal groove is defined by head of pancreas (medially) and…
Cholangiocarcinoma
Cholangiocarcinoma Brooke R. Jeffrey, MD Amir A. Borhani, MD Key Facts Imaging Klatskin tumor: Small hilar mass obstructing bile ducts on CT or ERCP Cholangiography (PTC/ERCP) Important to determine extent…
