CT Angiography

Diagnostic Angiography: R.I.P.

Multidetector (Multislice) CT
advancing technology

Non-invasive angiography

Advantages of noninvasive angiography

CT angiography – indications (2004)

CTA—technique

Scan dynamics

Lots of pictures!

Aorta—indications for CTA evaluation

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Aberrant right subclavian artery

Aortic dissection

Aortic dissection

Type A dissection

Type B dissection

Slide 17

Slide 18

79 year old with acute chest pain

Reformatted images before and after contrast

Aortic Intramural Hematoma

Aortic Intramural Hematoma

Aortic Intramural Hematoma

Mediastinal mass—biopsy?

MRA (patient with chronic renal insufficiency)

Motor vehicle accident:  possible aortic injury

Motor vehicle accident:       possible aortic injury

Mediastinal masses

Carotid artery

Carotid artery

Carotid artery

Carotid Doppler sonography

Normal carotid CTA

Critical internal carotid stenosis

TIA’s, abnormal carotid Doppler

Doppler US unable to evaluate carotid bulb

Asymptomatic carotid bruit — MRA

Gunshot wound to jaw

Stab wound to left neck

Circle of Willis intracranial vessels

Circle of Willis — aneurysm search

Visceral CTA — some indications

Chronic abdominal pain: ischemia?

AAA stent-graft evaluation

Living related donor evaluation

Hypertension — renal artery stenosis?

Aortic dissection — MRA

One month post liver txp, rising LFT’s

Anastamotic stenosis of hepatic artery

Peripheral CTA--indications

Diminished radial pulse after trauma

Pre-op for kidney transplant

Right leg claudication

Claudication

Coronary CTA

Multiplanar images

Review Questions

Carotid CTA is indicated for all except:

All are true except:

All are true except:

Additional Reading

The End