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Hi Chris,
Gadolinium works only with MRI not with CT.
Contrast agents for CT are based on iodine.
Best
Bechir
Le ven. 14 mars 2025 à 10:59, 'Chris Klink' via NHP-MRI <
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… Does anyone know if Gadolinium also shows up on a CT when you co-inject it
into the brain? I know it's common and very useful for MR but what are my
options if I want to verify an intracranial injection on a site where I
only have access to a CT, not MR? Searching for it suggests that it is used
for CT-angiographies but it's not so clear how useful it is outside of
blood vessels. Any insights or recommendations are welcome.
Best,
Chris
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Given the fact that contrast extravasation is a standard indicator for
active bleeding I would assume yes.
Best
Jan
…On Fri, Mar 14, 2025 at 4:59 AM 'Chris Klink' via NHP-MRI < ***@***.***> wrote:
Does anyone know if Gadolinium also shows up on a CT when you co-inject it
into the brain? I know it's common and very useful for MR but what are my
options if I want to verify an intracranial injection on a site where I
only have access to a CT, not MR? Searching for it suggests that it is used
for CT-angiographies but it's not so clear how useful it is outside of
blood vessels. Any insights or recommendations are welcome.
Best,
Chris
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Hi Chris, Gad is not going to give you multimodal contrast. However, there is an informative paper on topic, in which they compare the signal intensity levels of multiple contrast agents across different imaging modalities (T1w, T2w, CT, and PET): -Wilbert |
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Does anyone know if Gadolinium also shows up on a CT when you co-inject it into the brain? I know it's common and very useful for MR but what are my options if I want to verify an intracranial injection on a site where I only have access to a CT, not MR? Searching for it suggests that it is used for CT-angiographies but it's not so clear how useful it is outside of blood vessels. Any insights or recommendations are welcome.
Best,
Chris
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