Imaging Of Head And Neck Flashcards
X Ray Indications
Trauma, Degenerative Disease, Post Operative
Flouroscopy Indications
Swallow study
Interventional Radiology
Arthography
Cardiac Catherization
Angiography involves injection of what contrast into Vasculature
Barium and iodine
Indications of Angiography
Aneurysm, vascular malformations, fistula, stenosis, thrombosis
Pros of Angiography
Fast
Diagnostic and therapeutic
Cons of Angiography
Invasive
Contrast
Radiation
Indications of Myelography
Spinal stenosis, nerve root compression, CSF leak
Pros of Myelography
Defines subarachnoid space
Identifies spinal block
Cons of Myelography
Invasive
CSF leak
Radiation
Contrast
Which is more detailed: CT or MRI?
MRI
When is contrast indicated for CT?
Neoplasm Infection Vascular disease Inflammatory disease More than three hours of onset of disease
When is contrast contraindicated for CT?
Trauma Hemorrhage Hydrocephalus Dementia Epilepsy Within 3 hours of symptoms
CT Angiography
Used for atherosclerosis, dissection, aneurysm, trauma
Pros of CT angiography
Non-invasive and examine vessels from origin
Cons of CT angiography
Contrast
Radiation
Lower Resolution