Minimum dose contrast bolus in computed angiotomography of the brain

Yuji Yamamoto, Toru Satoh, Masaru Sakurai, Syoji Asari, Kazuhiko Sadamoto

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

We have carried out basic investigations of an intravenous minimum dose bolus (MinDB) injection method for cerebral computed angiotomography by comparing blood iodine concentrations with high resolution computed tomography (CT) images of cerebral blood vessels. With the GECT/T 8800 scanner, a MinDB injection of 1 ml/kg of 60% Conray at a rate of 2 ml/s made it possible to increase the blood iodine concentration in the carotid artery to more than 15 mg/ml for about 20 s. Computed tomography performed during this period enabled us to obtain clear images of the circle of Willis, including other main cerebral arteries, deep veins, and cortical and lenticulostriate arteries. Cerebral computed angiotomography using this method should be useful for noninvasive screening or detection of cerebrovascular lesions themselves, such as cerebral aneurysms, cerebrovascular obstructions, arteriovenous malformations, and moyamoya disease, and should also be useful for determining the anatomical relationship between the cerebral blood vessels and other parenchymal or space occupying lesions.

Original languageEnglish
Pages (from-to)575-585
Number of pages11
JournalJournal of Computer Assisted Tomography
Volume6
Issue number3
Publication statusPublished - 1982
Externally publishedYes

Fingerprint

Iodine
Blood Vessels
Iothalamate Meglumine
Tomography
Circle of Willis
Moyamoya Disease
Injections
Cerebral Arteries
Arteriovenous Malformations
Brain
Intracranial Aneurysm
Carotid Arteries
Veins
Arteries

Keywords

  • Blood supply
  • Bolus injection
  • Brain
  • Cerebral blood vessels
  • Computed tomography
  • Contrast media

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging
  • Radiological and Ultrasound Technology

Cite this

Minimum dose contrast bolus in computed angiotomography of the brain. / Yamamoto, Yuji; Satoh, Toru; Sakurai, Masaru; Asari, Syoji; Sadamoto, Kazuhiko.

In: Journal of Computer Assisted Tomography, Vol. 6, No. 3, 1982, p. 575-585.

Research output: Contribution to journalArticle

Yamamoto, Y, Satoh, T, Sakurai, M, Asari, S & Sadamoto, K 1982, 'Minimum dose contrast bolus in computed angiotomography of the brain', Journal of Computer Assisted Tomography, vol. 6, no. 3, pp. 575-585.
Yamamoto, Yuji ; Satoh, Toru ; Sakurai, Masaru ; Asari, Syoji ; Sadamoto, Kazuhiko. / Minimum dose contrast bolus in computed angiotomography of the brain. In: Journal of Computer Assisted Tomography. 1982 ; Vol. 6, No. 3. pp. 575-585.
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