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Radiology

Thoracic Aorta

Built from Fundamentals of Diagnostic Radiology

The first 25 slides of Thoracic Aorta
The first 25 slides, exactly as they appear. The full deck has 154 content slides.

What’s inside

10 sections · 154 slides

  1. 01

    Overview

    • Divisions of the thoracic aorta
    • 3D volume-rendered reformat of the thoracic aorta

    2 slides

  2. 02

    Aortic Root, Valve, and Ascending Aorta

    From the annulus to the sinotubular junction, then up to the arch origin.

    • Aortic root boundaries
    • Sinuses of Valsalva
    • Aortic root and sinuses of Valsalva on CT
    • Aortic root dimensions
    • Aortic valve leaflets
    • Congenital aortic valve anomalies
    • Bicuspid aortic valve types
    • Bicuspid aortic valve on MR and CT
    • Bicuspid valve complications
    • Unicuspid and quadricuspid valves
    • Unicuspid aortic valve with ascending aneurysm
    • Quadricuspid aortic valve (clover-leaf)
    • Ascending aorta course
    • ECG gating for aortic imaging
    • Normal ascending aorta and left aortic arch

    15 slides

  3. 03

    Aortic Arch and Branching Variants

    The normal three-vessel left arch, its variants, and vascular rings.

    • Aortic arch and great vessels
    • Subclavian steal
    • Subclavian steal on coronal CT
    • Aortic isthmus and ductus bump
    • Aortic isthmus and ductus bump
    • Two-vessel and four-vessel arches
    • Two-vessel aortic arch
    • Four-vessel aortic arch
    • Left arch with aberrant right subclavian artery
    • Left arch with aberrant right subclavian artery
    • Right aortic arch
    • Right aortic arch on chest radiograph
    • Right arch with aberrant left subclavian artery
    • Right arch with aberrant left subclavian artery
    • Right arch with mirror-image branching
    • Right arch with mirror-image branching
    • Double aortic arch
    • Double aortic arch in an adult
    • Double aortic arch causing a vascular ring
    • Cervical aortic arch
    • Cervical aortic arch
    • Interrupted aortic arch
    • Interrupted aortic arch types
    • Type B interrupted aortic arch
    • Circumflex aorta
    • Circumflex aortic arch

    26 slides

  4. 04

    Descending Aorta: Coarctation to Atheroma

    The descending thoracic aorta, coarctation, pseudocoarctation, and atheroma.

    • Descending thoracic aorta
    • Aortic coarctation definition
    • Two forms of aortic coarctation
    • Collateral circulation in coarctation
    • Aortic coarctation with collateral vessels
    • Radiographic signs of coarctation
    • Coarctation figure-of-3 sign and rib notching
    • Coarctation flow acceleration on 4D flow
    • Coarctation repair and follow-up
    • Pseudocoarctation
    • Pseudocoarctation
    • Aortic atheroma risk factors
    • Atheroma formation sequence
    • Vulnerable plaque
    • Diffuse thoracic aortic atherosclerosis
    • Complex atheroma and plaque ulceration
    • Complex atheroma with aneurysmal dilation
    • Ulcerated plaque versus penetrating ulcer

    18 slides

  5. 05

    Aortic Aneurysm

    Sinus of Valsalva, ascending/arch, and descending thoracic aneurysms.

    • Sinus of Valsalva aneurysm
    • Sinus of Valsalva aneurysm
    • Sinus of Valsalva rupture
    • Thoracic aortic aneurysm definition
    • Multifocal thoracoabdominal aortic aneurysm
    • Causes of ascending and arch aneurysm
    • Imaging thoracic aortic aneurysms
    • Ascending thoracic aortic aneurysm
    • Marfan syndrome with aortic and pulmonary dilation
    • Aneurysm rupture risk
    • Descending thoracic aortic aneurysm
    • Descending aneurysm repair outcomes

    12 slides

  6. 06

    Acute Aortic Syndrome

    Aortic dissection, intramural hematoma, and penetrating atherosclerotic ulcer.

    • Acute aortic syndrome triad
    • Imaging acute aortic syndrome
    • Stanford classification of dissection
    • Dissection of the aortic arch
    • How dissection begins
    • Dissection cascade
    • Where the tear occurs
    • Complications of dissection
    • Type A dissection with coronary and brachiocephalic involvement
    • Type A dissection occluding the right common carotid
    • Chest X-ray in dissection
    • Type A dissection on chest radiograph
    • CTA features of dissection
    • Type B dissection with impending rupture
    • Type B dissection with rupture
    • Arch dissection on CT
    • MR in aortic dissection
    • Arch dissection on MR
    • Intramural hematoma basics
    • IMH on imaging
    • Intramural hematoma progressing to type A
    • IMH classification and course
    • Penetrating atherosclerotic ulcer
    • Penetrating atherosclerotic ulcer
    • Penetrating ulcer with intramural hematoma
    • PAU risk and treatment

    26 slides

  7. 07

    Pseudoaneurysm, Fistulas, and Traumatic Injury

    Contained rupture, abnormal connections, and blunt aortic trauma.

    • Layers of the aortic wall
    • Aortic pseudoaneurysm
    • Proximal descending aortic pseudoaneurysm
    • Pseudoaneurysm with aortobronchial fistula and hemorrhage
    • Ascending aortic pseudoaneurysm
    • Diagnosing pseudoaneurysm
    • Aortic fistulas
    • Aortoesophageal fistula
    • Aortopleural fistula
    • Imaging and treating fistulas
    • Acute traumatic aortic injury spectrum
    • Acute traumatic aortic injury
    • Traumatic pseudoaneurysm of the aortic isthmus
    • Imaging traumatic aortic injury
    • Ductus bump versus traumatic injury
    • Physiologic ductus bump

    16 slides

  8. 08

    Postoperative Aorta and TEVAR

    Normal repairs, complications, and endovascular stent-grafts.

    • Imaging the postoperative aorta
    • Grafts and repair techniques
    • Composite valve-graft repair
    • Elephant trunk repair
    • Inclusion and elephant trunk techniques
    • Postoperative complications
    • Graft infection with perigraft abscess
    • Graft pseudoaneurysm and fistula
    • Thoracic endovascular aortic repair (TEVAR)
    • Subclavian coverage during TEVAR
    • Endoleaks
    • Endoleak types I-III
    • Type I endoleak
    • Type III endoleak
    • Other TEVAR complications

    15 slides

  9. 09

    Aortitis and Aortic Tumors

    Inflammatory disease of the aortic wall and rare aortic neoplasms.

    • Aortitis causes
    • Infectious aortitis
    • Imaging aortitis
    • Takayasu arteritis on CT and PET
    • Takayasu arteritis on CT, MR, and PET
    • Aortitis complications
    • Aortic tumors
    • Imaging aortic tumors
    • Aortic sarcoma
    • Aortic occlusion from tumor embolization
    • Tumor embolization into the aorta

    11 slides

  10. 10

    Summary

    What to remember about imaging the thoracic aorta.

    • Thoracic aorta: key takeaways
    • Suggested Readings
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    • Brant and Helms' Fundamentals of Diagnostic Radiology

    13 slides