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DMS333 -KP4
USIDMS GB/Biliary Tree
| Question | Answer |
|---|---|
| What is the name of the anatomical variant of the gallbladder when it folds onto itself at the neck? | Hartmann's pouch |
| The common hepatic duct joins with the _______ to form the common bile duct. | Cystic duct |
| What is the name of the anatomical variant of the gallbladder in which the gallbladder folds at the fundus? | Phrygian cap |
| How would carcinoma of the gallbladder appear sonographically? | Abnormally thick gallbladder wall with hyperechoic lesion |
| A gallbladder filled with non-shadowing low level internal echoes that move when the patient changes positions is most likely what? | Sludge |
| What are polyps? | Non-moving, well defined echogenic focal masses seen attached to the wall of the gallbladder |
| What is a choledochal cyst? | A focal dilation of the biliary tree caused by the reflux of pancreatic juices |
| Benign proliferation and thickening of the galandular layer of the gallbladder is most indicative for what? | Adenomyomatosis |
| Why are patients asked to be NPO for approximately 8 hours prior to a gallbladder ultrasound? | Being NPO causes bile to collect within the gallbladder lumen for better visualization |
| What is the normal thickness of the gallbladder wall? | 1-3mm |
| What contains the spiral valves of Heister? | Cystic duct |
| Focal tenderness over the gallbladder is? | Positive Murphy's sign |
| What is the most common obstructive biliary disease in infants and children caused by incomplete formation of the bile ducts? | Biliary Atresia |
| Air or gas within the biliary tree produces dirty shadowing called? | Pneumobilia |
| Which two biliary ducts combine to form the common bile duct? | Common hepatic duct and cystic duct |
| What is found anterior to the portal vein? | Common Bile Duct |
| What is a porcelain gallbladder? | Gallbladder wall calcification, increased risk of gallbladder carcinoma |
| Name the two types of Hyperplastic Cholecystosis. | Adenomyomatosis and Cholesterolosis |
| What sonographic plane do you measure the gallbladder wall in? | Transverse |
| What is the medical term for gall stones? | Cholelithiasis |