Abdomen Ultrasound Flashcards
Right diaphragmatic crus is larger, more lobular, and inserts lower, extending to __ vertebral body
L3
Left crus is more uniform in thickness inserting on __ and ___vertebral bodies
L1 ; L2
Serves as landmarks for the identification of the adrenal gland
Crura
The echogenicity of the liver parenchyma is homogeneous and equal to or slightly greater than that of the ____
Kidney
Forms the portal triad (3)
Portal veins, hepatic arteries and bile ducts
Intrahepatic ducts normally do not exceed _ mm in diameter in the central liver or 40% of the diameter of the adjacent portal vein
2
Marks the division between the intrahepatic and extrahepatic portions of the biliary tree
Junction of the right and left lobe bile ducts to form the common hepatic duct
Marks the commencement of the COMMON BILE DUCT
The junction of the cystic duct with the common hepatic duct
Common duct diameter = ___ mm is normal for an adult
6
Mickey Mouse sign’s right ear
Common bile duct
Normal GB wall does not exceed __ mm in thickness
3
Diameter of the GB wall is less than __ cm in 96% of normals
4
The Spleen is best visualized with UTZ with a ___ approach with the patient supine
Posterolateral intercostal
When the spleen is large, an _____ approach with the patient in deep inspiration is also useful
Anterior subcostal
The splenic parenchyma is homogeneous and normally more ____ than the liver
Echogenic *in children: reticulonodular rather than homogeneous
The body and tail of the pancreas are immediately ____ to the splenic vein as it courses from the splenic hilum toward the liver
Anterior
The neck of the pancreas is ____ to the junction of the SV with the SMV that marks the commencement of the portal vein
Anterior
The head of the pancreas envelopes the portal confluence and lies anterior to the ____
IVC
The uncinate process lies ____ to the level of the splenic vein, between the ___ and ___
Caudal; SMV; IVC
Normal pancreatic duct does not exceed ____ mm in diameter and tapers progressively toward the tail
3
Serves as the best sonographic window to the pancreas
Left lobe of the liver
Most effective in displacing gas to visualize the pancreas
Progressive transducer pressure
The limbs of the normal adult adrenal gland are ____ in length and ____ in width
4-5 cm; 5-7 mm
Renal cortex is _______ compared to the LIVER and is distinctly ____ compared to the SPLEEN
Isoechoic or slightly hypoechoic; hypoechoic
Visualized as hypoechoic cone shaped structures surrounded by more echogenic cortex
Medullary pyramids
Adult kidneys range from _____ cm in length
9 to 13 cm
A normal anatomic variant caused by incomplete fusion of the upper and lower poles of the kidney -UTZ shows a wedge-shaped echogenic defect in the renal parenchyma at the junction of the upper and middle thirds of the kidney
Junctional parenchymal defect
