Radiation dose associated with cerebral CT angiography and CT perfusion: An experimental phantom study

Akmal Sabarudin, Mohd Zaki Yusof, Mazlyfarina Mohamad, Zhonghua Sun

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

A study on the radiation dose associated with cerebral CT angiography (CTA) and CT perfusion (CTP) was conducted on an anthropomorphic phantom with the aim of estimating the effective dose (E) and entrance skin dose (ESD) in the eyes and thyroid gland during different CTA and CTP protocols. The E was calculated to be 0.61 and 0.28 mSv in CTA with 100 and 80 kV<inf>p</inf>, respectively. In contrast, CTP resulted in an estimated E of 2.74 and 2.07 mSv corresponding to 40 and 30 s protocols, respectively. The eyes received a higher ESD than the thyroid gland in all of these protocols. The results of this study indicate that combining both CTA and CTP procedures are not recommended in the stroke evaluation due to high radiation dose. Application of modified techniques in CTA (80 kV<inf>p</inf>) and CTP (30 s) is highly recommended in clinical practice for further radiation dose reduction.

Original languageEnglish
Article numbernct280
Pages (from-to)316-321
Number of pages6
JournalRadiation Protection Dosimetry
Volume162
Issue number3
DOIs
Publication statusPublished - 1 Dec 2014

Fingerprint

Cerebral Angiography
angiography
Perfusion
Radiation
dosage
radiation
thyroid gland
Thyroid Gland
entrances
Skin
glands
strokes
Stroke
Computed Tomography Angiography
estimating
evaluation

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging
  • Radiological and Ultrasound Technology
  • Radiation
  • Public Health, Environmental and Occupational Health

Cite this

Radiation dose associated with cerebral CT angiography and CT perfusion : An experimental phantom study. / Sabarudin, Akmal; Yusof, Mohd Zaki; Mohamad, Mazlyfarina; Sun, Zhonghua.

In: Radiation Protection Dosimetry, Vol. 162, No. 3, nct280, 01.12.2014, p. 316-321.

Research output: Contribution to journalArticle

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