Blood enters media of aortic wall through intimal defect and splits wall longitudinally
Stanford classification
Type A (60%): Involves ascending aorta, ± descending aorta
Surgical treatment
Type B (40%): Excludes ascending aorta; involves descending aorta &/or aortic arch
Medical management
DeBakey classification
Type I: Involves ascending aorta, aortic arch, and descending aorta
Type II: Involves ascending aorta
Type III: Involves descending aorta distal to left subclavian artery
IMAGING
General Features
Radiographic Findings
CT Findings
MR Findings
Echocardiographic Findings
Angiographic Findings
Imaging Recommendations
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Gross Pathologic & Surgical Features
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
Treatment
DIAGNOSTIC CHECKLIST
Consider
Image Interpretation Pearls
Selected References
Di Eusanio M et al: Clinical presentation, management, and short-term outcome of patients with type A acute dissection complicated by mesenteric malperfusion: observations from the International Registry of Acute Aortic Dissection. J Thorac Cardiovasc Surg. 145(2):385-390, 2013
Rogers AM et al: Sensitivity of the aortic dissection detection risk score, a novel guideline-based tool for identification of acute aortic dissection at initial presentation: results from the international registry of acute aortic dissection. Circulation. 123(20):2213-8, 2011
Liu Q et al: Three-dimensional contrast-enhanced MR angiography of aortic dissection: a pictorial essay. Radiographics. 27(5):1311-21, 2007
García A et al: MR angiographic evaluation of complications in surgically treated type A aortic dissection. Radiographics. 26(4):981-92, 2006
Bortone AS et al: Endovascular treatment of thoracic aortic disease: four years of experience. Circulation. 110(11 Suppl 1):II262-7, 2004
Batra P et al: Pitfalls in the diagnosis of thoracic aortic dissection at CT angiography. Radiographics. 20(2):309-20, 2000
Related Anatomy
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Related Differential Diagnoses
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References
Tables
Tables
KEY FACTS
Terminology
Imaging
Top Differential Diagnoses
Pathology
Clinical Issues
TERMINOLOGY
Abbreviations
Aortic dissection (AoD)
Definitions
Blood enters media of aortic wall through intimal defect and splits wall longitudinally
Stanford classification
Type A (60%): Involves ascending aorta, ± descending aorta
Surgical treatment
Type B (40%): Excludes ascending aorta; involves descending aorta &/or aortic arch
Medical management
DeBakey classification
Type I: Involves ascending aorta, aortic arch, and descending aorta
Type II: Involves ascending aorta
Type III: Involves descending aorta distal to left subclavian artery
IMAGING
General Features
Radiographic Findings
CT Findings
MR Findings
Echocardiographic Findings
Angiographic Findings
Imaging Recommendations
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Gross Pathologic & Surgical Features
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
Treatment
DIAGNOSTIC CHECKLIST
Consider
Image Interpretation Pearls
Selected References
Di Eusanio M et al: Clinical presentation, management, and short-term outcome of patients with type A acute dissection complicated by mesenteric malperfusion: observations from the International Registry of Acute Aortic Dissection. J Thorac Cardiovasc Surg. 145(2):385-390, 2013
Rogers AM et al: Sensitivity of the aortic dissection detection risk score, a novel guideline-based tool for identification of acute aortic dissection at initial presentation: results from the international registry of acute aortic dissection. Circulation. 123(20):2213-8, 2011
Liu Q et al: Three-dimensional contrast-enhanced MR angiography of aortic dissection: a pictorial essay. Radiographics. 27(5):1311-21, 2007
García A et al: MR angiographic evaluation of complications in surgically treated type A aortic dissection. Radiographics. 26(4):981-92, 2006
Bortone AS et al: Endovascular treatment of thoracic aortic disease: four years of experience. Circulation. 110(11 Suppl 1):II262-7, 2004
Batra P et al: Pitfalls in the diagnosis of thoracic aortic dissection at CT angiography. Radiographics. 20(2):309-20, 2000
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