computed tomography angiography (CT angiography)
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Indications
- arterial & venous aneurysms or pseudo aneurysms
- stroke
- vasospasm
- atherosclerotic occlusive disease
- thromboembolic disease
- 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]
More general terms
More specific terms
- cardiac computed tomography angiography; coronary computed tomography angiography; CT angiography (CCTA)
- computed tomographic (CT) pulmonary angiography (CTPA)
- computed tomography angiography for DVT & PE
References
- ↑ 1.0 1.1 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
- ↑ 2.0 2.1 Hutchinson BD et al. Overdiagnosis of pulmonary embolism by pulmonary CT angiography. AJR Am J Roentgenol 2015 Aug; 205:271 PMID: https://www.ncbi.nlm.nih.gov/pubmed/26204274
- ↑ 3.0 3.1 Medical Knowledge Self Assessment Program (MKSAP) 18, American College of Physicians, Philadelphia 2018
- ↑ 4.0 4.1 NEJM Knowledge+ Gastroenterology