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Questions and Answers
What is the most common indication for using MRI of the pancreas?
What is the most common indication for using MRI of the pancreas?
- Monitoring of insulin production
- Evaluation of liver function
- Assessment of kidney function
- Staging of pancreatic tumours (correct)
Which sequence is best acquired initially in an oblique coronal plane for pancreatic head tumors?
Which sequence is best acquired initially in an oblique coronal plane for pancreatic head tumors?
- T2-weighted turbo-spin echo
- T1-weighted spoiled gradient-echo
- Gadolinium-enhanced T1-weighted fat-suppressed spoiled GRE
- T1-weighted fat-suppressed gradient-echo (correct)
Why is CT generally preferred over MRI for certain cases, according to the text?
Why is CT generally preferred over MRI for certain cases, according to the text?
- Detection of islet cell tumors
- Higher resolution images
- Lower cost and time implications (correct)
- Ability to demonstrate stones and obstructions
Which type of images are obtained immediately after the injection of contrast medium?
Which type of images are obtained immediately after the injection of contrast medium?
What is the purpose of performing intraoperative cholangiography?
What is the purpose of performing intraoperative cholangiography?
What is a common occurrence during operative choledochogram that may be relieved by glucagon, propantheline, or amyl nitrite?
What is a common occurrence during operative choledochogram that may be relieved by glucagon, propantheline, or amyl nitrite?
What are the criteria for a normal operative choledochogram according to Le Quesne?
What are the criteria for a normal operative choledochogram according to Le Quesne?
When would postoperative (T-Tube) cholangiography be indicated?
When would postoperative (T-Tube) cholangiography be indicated?
What type of contrast medium is recommended for intraoperative cholangiography?
What type of contrast medium is recommended for intraoperative cholangiography?
What is the purpose of giving secretin slowly intravenously over 1 minute?
What is the purpose of giving secretin slowly intravenously over 1 minute?
What is the purpose of suspending inspiration during the liver ultrasound?
What is the purpose of suspending inspiration during the liver ultrasound?
When would fasting or restriction to clear fluids only be required for a liver ultrasound?
When would fasting or restriction to clear fluids only be required for a liver ultrasound?
What is a contraindication for undergoing a liver ultrasound?
What is a contraindication for undergoing a liver ultrasound?
What is the main function of a 3–5-MHz transducer and contact gel in liver ultrasound?
What is the main function of a 3–5-MHz transducer and contact gel in liver ultrasound?
What may be useful for visualizing the hepatic veins during ultrasound?
What may be useful for visualizing the hepatic veins during ultrasound?
What is the characteristic normal waveform of the hepatic vein on Doppler?
What is the characteristic normal waveform of the hepatic vein on Doppler?
In contrast-enhanced ultrasound of the liver, what allows the contrast enhancement pattern of focal liver lesions to be assessed?
In contrast-enhanced ultrasound of the liver, what allows the contrast enhancement pattern of focal liver lesions to be assessed?
What is the normal portal vein blood flow direction?
What is the normal portal vein blood flow direction?
How can hepatic artery be traced during ultrasound examination?
How can hepatic artery be traced during ultrasound examination?
What is a characteristic of the normal adult spleen size?
What is a characteristic of the normal adult spleen size?
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