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Titolo:
SPIRAL CT - VASCULAR APPLICATIONS
Autore:
RANKIN SC;
Indirizzi:
GUYS HOSP,DEPT RADIOL,ST THOMAS ST LONDON SE1 9RT ENGLAND
Titolo Testata:
European journal of radiology
fascicolo: 1, volume: 28, anno: 1998,
pagine: 18 - 29
SICI:
0720-048X(1998)28:1<18:SC-VA>2.0.ZU;2-K
Fonte:
ISI
Lingua:
ENG
Soggetto:
ABDOMINAL AORTIC-ANEURYSMS; RENAL-ARTERY STENOSIS; DIGITAL SUBTRACTION ANGIOGRAPHY; MAGNETIC-RESONANCE ANGIOGRAPHY; INTERNAL CAROTID-ARTERY; HELICAL CT; PREOPERATIVE ASSESSMENT; PULMONARY ANGIOGRAPHY; COMPUTED-TOMOGRAPHY; MR-ANGIOGRAPHY;
Keywords:
CT ANGIOGRAPHY; CAROTID ARTERY; AORTA; RENAL ARTERY;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
56
Recensione:
Indirizzi per estratti:
Citazione:
S.C. Rankin, "SPIRAL CT - VASCULAR APPLICATIONS", European journal of radiology, 28(1), 1998, pp. 18-29

Abstract

Recent technical advances in CT have renewed interest in the development of CT angiography (CTA). CT angiography is a minimally invasive method of visualising the vascular system and is becoming an alternativeto conventional arteriography in some situations. Spiral technology allows a volume of data to be obtained on a single breath-hold with no respiratory misregistration. Fast machines with second or subsecond acquisition times mean the images are obtained while there are high circulating levels of contrast medium giving peak vascular opacification from a peripheral intravenous injection. Accurate timing will ensure either the arterial or venous phase is imaged. Multiple overlapping axial-images can be obtained from the data set with no increase in radiation dose to the patient and from these scans computer generated multiplanar and 3D images are obtained which can be viewed from numerous angles. CT angiography can be performed more quickly, less invasively and at reduced cost compared to conventional angiography. (C) 1998 Elsevier Science Ireland Ltd. All rights reserved.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 02/10/20 alle ore 02:01:06