GI Radiology Flashcards
In which imaging techniques have no ionising radiation involved?
Ultrasound
MRI
Which type of radiography is portable?
Ultrasound
What is ultrasound not good for?
Looking at lung abnormalities
Looking at lung abnormalities.
Increased amounts of CT can increase risks of what?
Increases cancer risks
What is meant by nuclear radiography?
Radioisotopes are attached to a substance which is metabolised. Scanner used to detect areas of accumulation.
If you have a young patient with recurrent chest infections, which GI condition should be considered?
Achalasia
This can be confirmed using x-ray, affects the oesophagus and makes it difficult to swallow. May not present w GI symptoms as could be present from a young age and used to it.
Which investigation can be used to find and treat gallstones in the bile duct?
ERCP- endoscopic retrograde cholangio-pancreatography
What might be used if you cannot get into the biliary tree from below using ERCP?
PTC (percutaneous transhepatic cholangiography)
If a radiograph finds gallstones in someone but they are asymptomatic, will the gall bladder be removed?
No
What is EUS?
Endoscopic ultrasound
If you see metastasis in the liver, what should be your first question?
Where is the primary source?
What can ERCP cause to happen as a complication?
Pancreatitis
Which scan is PET scan usually attached to?
CT
If not, MRI. Always attached to something
How do PET scans help in cancer staging?
Shows areas which are using more glucose as cells are rapidly dividing so need energy. Therefore, the tumour will show up due to the contrast used and show if it spreads anywhere else