Podcast
Questions and Answers
What imaging modality is often the best to characterize lesions?
What imaging modality is often the best to characterize lesions?
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?
What is the main concept behind MRI imaging of hydrogen nuclei?
What is the main concept behind MRI imaging of hydrogen nuclei?
Which of the following is a common cause of liver abscesses?
Which of the following is a common cause of liver abscesses?
Signup and view all the answers
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?
Signup and view all the answers
What factor is relaxation in MRI imaging dependent on?
What factor is relaxation in MRI imaging dependent on?
Signup and view all the answers
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?
Signup and view all the answers
What produces echos in ultrasound imaging?
What produces echos in ultrasound imaging?
Signup and view all the answers
What does the time to echo return represent in ultrasound imaging?
What does the time to echo return represent in ultrasound imaging?
Signup and view all the answers
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?
Signup and view all the answers
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?
Signup and view all the answers
What is the key focus area for creating echos in ultrasound imaging?
What is the key focus area for creating echos in ultrasound imaging?
Signup and view all the answers
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?
Signup and view all the answers
Why does the pancreas have 3 shades of grey in imaging?
Why does the pancreas have 3 shades of grey in imaging?
Signup and view all the answers
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?
Signup and view all the answers
What normal tissue does retroperitoneal fat resemble in imaging?
What normal tissue does retroperitoneal fat resemble in imaging?
Signup and view all the answers
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?
Signup and view all the answers
What indicates denser tissues in imaging based on the provided information?
What indicates denser tissues in imaging based on the provided information?
Signup and view all the answers
What produces echos in Ultrasonography?
What produces echos in Ultrasonography?
Signup and view all the answers
Why do gallstones cause acoustic shadowing in Ultrasonography?
Why do gallstones cause acoustic shadowing in Ultrasonography?
Signup and view all the answers
In Ultrasonography, what is the characteristic of areas with increased through transmission?
In Ultrasonography, what is the characteristic of areas with increased through transmission?
Signup and view all the answers
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?
Signup and view all the answers
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?
Signup and view all the answers
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?
Signup and view all the answers
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?
Signup and view all the answers
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?
Signup and view all the answers
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?
Signup and view all the answers
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?
Signup and view all the answers
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?
Signup and view all the answers
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?
Signup and view all the answers
