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computed tomography angiography (CT angiography)

Indications: - arterial & venous aneurysms or pseudo aneurysms - stroke - vasospasm - atherosclerotic occlusive disease - thromboembolic disease - acute mesenteric ischemia - venous & dural sinus thrombosis - pulmonary embolism (26% false positives) [2] - nonatherosclerotic, noninflammatory vasculopathy - vascular trauma - arterial dissection - intramural hematoma - congenital vascular anomalies - vascular anatomic variants - vascular interventions (percutaneous & surgical) - vasculitis - connective tissue diseases - vascular infection - head & neck tumors of vascular origin, with rich vascular supply or invading vascular structures - gastrointestinal hemorrhage [4] - virtual autopsy [1] Contraindications: - diagnostic value may be limited in patients with extensive coronary artery calcification [3]

Specific

cardiac computed tomography angiography; coronary computed tomography angiography; CT angiography (CCTA) computed tomographic (CT) pulmonary angiography (CTPA) computed tomography angiography for DVT & PE

General

computerized tomography (CT) angiography

References

  1. Wichmann D et al. Virtual autopsy with multiphase postmortem computed tomographic angiography versus traditional medical autopsy to investigate unexpected deaths of hospitalized patients: A cohort study. Ann Intern Med 2014 Apr 15; 160:534 http://annals.org/article.aspx?articleid=1861131
  2. Hutchinson BD et al. Overdiagnosis of pulmonary embolism by pulmonary CT angiography. AJR Am J Roentgenol 2015 Aug; 205:271 PMID: 26204274
  3. Medical Knowledge Self Assessment Program (MKSAP) 18, American College of Physicians, Philadelphia 2018
  4. NEJM Knowledge+ Gastroenterology