Podcast
Questions and Answers
What imaging modality is often the best to characterize lesions?
What imaging modality is often the best to characterize lesions?
- Ultrasound
- CT scan
- X-ray
- MRI (correct)
Which type of hepatic lesion appears bright on T2W sequence in MRI imaging?
Which type of hepatic lesion appears bright on T2W sequence in MRI imaging?
- Focal nodular hyperplasia
- Simple cyst (correct)
- Hepatic adenoma
- Hemangioendothelioma
What is the main concept behind MRI imaging of hydrogen nuclei?
What is the main concept behind MRI imaging of hydrogen nuclei?
- Release of electrons
- Alignment in magnetic field (correct)
- Activation of protons
- Transmutation of elements
Which of the following is a common cause of liver abscesses?
Which of the following is a common cause of liver abscesses?
Which hepatic lesion can be distinguished by MRI from hemangiomas and hepatic cysts?
Which hepatic lesion can be distinguished by MRI from hemangiomas and hepatic cysts?
What factor is relaxation in MRI imaging dependent on?
What factor is relaxation in MRI imaging dependent on?
What is the primary course objective of the Abdominal Radiology Cross-Sectional Imaging presentation?
What is the primary course objective of the Abdominal Radiology Cross-Sectional Imaging presentation?
What produces echos in ultrasound imaging?
What produces echos in ultrasound imaging?
What does the time to echo return represent in ultrasound imaging?
What does the time to echo return represent in ultrasound imaging?
Which factor causes complete reflection of sound at an interface in ultrasound imaging?
Which factor causes complete reflection of sound at an interface in ultrasound imaging?
Which characteristic of the echo in ultrasound imaging is a measure of the loudness of the return?
Which characteristic of the echo in ultrasound imaging is a measure of the loudness of the return?
What is the key focus area for creating echos in ultrasound imaging?
What is the key focus area for creating echos in ultrasound imaging?
What is the most likely diagnosis for a 59-year-old man with severe abdominal pain, nausea, vomiting, and hypotension?
What is the most likely diagnosis for a 59-year-old man with severe abdominal pain, nausea, vomiting, and hypotension?
Why does the pancreas have 3 shades of grey in imaging?
Why does the pancreas have 3 shades of grey in imaging?
In the attenuation scale of the body, which of the following is less dense than soft tissue?
In the attenuation scale of the body, which of the following is less dense than soft tissue?
What normal tissue does retroperitoneal fat resemble in imaging?
What normal tissue does retroperitoneal fat resemble in imaging?
If enveloped peri-pancreatic fat is represented as tissue 3 in imaging, what does tissue 2 resemble?
If enveloped peri-pancreatic fat is represented as tissue 3 in imaging, what does tissue 2 resemble?
What indicates denser tissues in imaging based on the provided information?
What indicates denser tissues in imaging based on the provided information?
What produces echos in Ultrasonography?
What produces echos in Ultrasonography?
Why do gallstones cause acoustic shadowing in Ultrasonography?
Why do gallstones cause acoustic shadowing in Ultrasonography?
In Ultrasonography, what is the characteristic of areas with increased through transmission?
In Ultrasonography, what is the characteristic of areas with increased through transmission?
What is the name given to spherical lesions seen in Ultrasonography of the liver posterior segment?
What is the name given to spherical lesions seen in Ultrasonography of the liver posterior segment?
Why do bile duct walls appear more echogenic than liver parenchyma in Ultrasonography?
Why do bile duct walls appear more echogenic than liver parenchyma in Ultrasonography?
What type of exam is indicated in the case of a 35-year-old woman with biliary colic?
What type of exam is indicated in the case of a 35-year-old woman with biliary colic?
What is the role of chemical shift imaging in distinguishing adrenal adenomas from other adrenal masses?
What is the role of chemical shift imaging in distinguishing adrenal adenomas from other adrenal masses?
What happens to the signal of adrenal adenomas on out-of-phase imaging?
What happens to the signal of adrenal adenomas on out-of-phase imaging?
What is the main advantage of MRI over CT when imaging solid lesions?
What is the main advantage of MRI over CT when imaging solid lesions?
Which imaging modality is specifically noted as not good for imaging air-filled structures like lungs and bowel?
Which imaging modality is specifically noted as not good for imaging air-filled structures like lungs and bowel?
In ultrasound (US), what is the purpose of emitting sound waves and listening for echoes?
In ultrasound (US), what is the purpose of emitting sound waves and listening for echoes?
Which imaging technique is described as the most specific for the evaluation of solid lesions?
Which imaging technique is described as the most specific for the evaluation of solid lesions?
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