Antrectomy with gastroduodenostomy • Billroth 2 (B2) procedure Distal gastrectomy with gastrojejunostomy • Surgery for gastric cancer May be some variant of B1 or B2, up to total gastrectomy • Complications include recurrent…
50% contain ectopic gastric mucosa 90% present with GI bleeding in children IMAGING • Rule of 2s Seen in ∼ 2% of population Located within 2 feet of ileocecal valve Length…
Most commonly Roux-en-Y gastric bypass and liver transplantation Much more common when Roux loop is placed in retrocolic position • Almost always congenital in children May be secondary to prenatal intestinal…
Hepatitis B and C are major variants Only hepatitis B and hepatitis C cause chronic disease Hepatitis C is leading cause of cirrhosis and hepatocellular carcinoma in USA • Role of…
Large polyps may show internal color flow vascularity “Comet tail” artifacts suggest cholesterol polyp • CT: Useful for staging in larger polyps where ↑ risk of malignancy Difficult to visualize many polyps…
Ascites: Fluid in dependent recesses of peritoneal cavity Splenomegaly: Spleen is enlarged > 500 cc Varices: Well-defined, tubular or serpentine collateral vessels with same enhancement as adjacent veins – Usually opacify on venous…
Intrahepatic or subcapsular fluid collection (hematoma) on US or CT • CT not ideal due to radiation dose, but may be necessary in severe cases • US: Irregular or wedge-shaped liver hemorrhage…
Early retrograde enhancement of dilated inferior vena cava (IVC) and hepatic veins (HVs) Heterogeneous, mottled, reticulated, mosaic hepatic parenchymal pattern Periportal low attenuation (perivascular lymphedema) Hepatomegaly and ascites • US: Loss…
Absent spleen in virtually all patients Congenital heart disease in ∼ 100% of patients Bilateral trilobed lungs Malrotation in most patients Aorta and inferior vena cava (IVC) are frequently ipsilateral…
Congestive – Right heart failure, portal hypertension, sickle cell disease (in acute setting), and splenic vein thrombosis Hematologic – Polycythemia vera, myelofibrosis, and hemoglobinopathies Inflammatory/infectious – Mononucleosis and HIV/AIDS most common infections to…
