KEY FACTS You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here

KEY FACTS Imaging No universal consensus on splenomegaly (SMG) cut off due to variability in normal adult spleen size SMG is diagnosed when length > 13 cm; additional measurements of thickness > 5 cm or width > 8 cm may also be used Splenic index (product of length, thickness, and width): Normally 120-480 cm³; SMG considered index > 500 cm³ Color Doppler Portal hypertension: Dilated splenic…

GROSS ANATOMY Overview Intraperitoneal lymphatic organ located posterior to stomach and intimately associated with retroperitoneum (pancreatic tail and left kidney) Surrounded by peritoneum (except at hilum) and suspended by several ligaments Gastrosplenic ligament – Left anterior margin of lesser sac – Connects spleen to greater curvature of stomach – Carries short gastrics and left gastroepiploic arteries and venous branches to spleen Splenorenal ligament – Left posterior…

KEY FACTS Terminology Epithelial tumor of exocrine pancreas with low-grade malignant potential and solid and cystic features You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here

KEY FACTS Terminology Historically known as islet cell or carcinoid tumors You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here

KEY FACTS Terminology Solid epithelial neoplasm from ductal epithelium of exocrine pancreas You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here

KEY FACTS Terminology Intraductal papillary mucinous neoplasm: Mucin-producing cystic tumor arising from main &/or branch pancreatic ducts with low malignant potential Previously called: Intraductal papillary mucinous tumor, duct ectatic mucinous cystadenoma, mucinous hypersecretory neoplasm, mucin-producing tumor Cystic neoplasm of pancreas arising from mucin-producing epithelium of main pancreatic duct (MPD) &/or side branch pancreatic ducts (SBD) with variable malignant potential You’re Reading a Preview Become a Clinical…

KEY FACTS Terminology Synonyms: Pancreatic serous cystic neoplasm, microcystic adenoma of pancreas You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here

KEY FACTS Terminology Synonyms: Mucinous cystic neoplasm, macrocystic cystadenoma/carcinoma, mucinous cystadenoma/carcinoma Septated cystic neoplasm composed of mucin-producing epithelium and distinctive ovarian-type stroma, ranging in grade from potentially malignant to invasive carcinoma You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here

KEY FACTS Terminology Progressive, irreversible inflammatory and fibrosing disease You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here

KEY FACTS Terminology Collection of pancreatic fluid and inflammatory exudate encapsulated by nonepithelial fibrous tissue developing > 4 weeks after acute pancreatic fluid collection You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here

KEY FACTS Terminology Acute inflammatory process of pancreas with variable involvement of other local tissues and remote organs Interstitial edematous pancreatitis, necrotizing pancreatitis Acute pancreatic fluid collection ± infection Acute necrotic collection ± infection You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here

GROSS ANATOMY Overview Pancreas: Accessory digestive gland lying behind stomach in anterior pararenal space (APS) of retroperitoneum Exocrine function: Pancreatic acinar cells secrete pancreatic juice → pancreatic duct → duodenum Endocrine: Pancreatic islet cells (of Langerhans) secrete insulin, glucagon, and other polypeptides → portal venous system Divisions Head: Thickest part; lies to right of superior mesenteric artery and vein (SMA, SMV) Attached to "C" loop of…

KEY FACTS Terminology Secondary sclerosing cholangitis usually resulting from opportunistic infection of biliary tract in AIDS patients with CD4 count < 100/mm³ You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here

KEY FACTS Terminology Recurrent episodes of acute pyogenic cholangitis with intra- and extrahepatic biliary pigment stones Synonyms: Hepatolithiasis, oriental cholangiohepatitis You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here

KEY FACTS Terminology Inflammation of intra-/extrahepatic bile duct walls due to ductal obstruction and infection You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here

KEY FACTS Terminology Malignancy arising from intrahepatic bile duct (IHBD) or extrahepatic bile duct epithelium You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here

KEY FACTS Terminology Definition: Gas within biliary tree, including bile ducts or gallbladder Synonyms: Pneumobilia, aerobilia You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here

KEY FACTS Terminology Cholangiolithiasis, hepatolithiasis, biliary calculi, common bile duct (CBD) stones You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here

KEY FACTS Terminology Spectrum of extrahepatic and intrahepatic bile ducts malformations characterized by fusiform dilatation You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here