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Radiation Dose from Multidetector CT pp 437–451Cite as

CT Scanning in Pregnancy

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Part of the Medical Radiology book series (Med Radiol Diagn Imaging)

Abstract

CT evaluation of pregnant patients with medical conditions not related to pregnancy is a valuable and reliable tool, but poses a recurring dilemma on the other hand due to radiation exposure concern for both mother and fetus. Maternal exposure is substantial including the exposure of breast tissue, highly sensitive during radiation, with a potential to increase relative risk for breast cancer over lifetime. Fetal exposure may theoretically lead to congenital malformations, and despite no known risks for development of congenital malformations or mental retardation in a fetus exposed to ionizing radiation at the MDCT levels typically used for diagnostic imaging, there is still a theoretical risk of carcinogenesis. An understanding of fetal and maternal effects of ionizing radiation by different CT protocols at different stages of gestation is essential for proper administration of the CT examinations in patients with non-obstetric conditions. Understanding of basic principles of maternal and fetal dosimetry is also essential for quality assurance. The approach to the informed consent and administration of iodinated intravenous contrast are also essential and discussed in this chapter. Available MDCT protocols and effective methods for radiation dose reduction are discussed for specific clinical conditions such as: pulmonary embolism, acute appendicitis, urolithiasis, and trauma.

Keywords

  • Pregnant Patient
  • Adaptive Statistical Iterative Reconstruction
  • Automatic Exposure Control
  • Suspected Pulmonary Embolism
  • Metal Oxide Semiconductor Field Effect Transistor

These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Authors and Affiliations

  1. Department of Radiology, Beth Israel Deaconess Medical Center, 330 Brookline Ave, Boston, MA, 02215, USA

    D. E. Litmanovich & A. A. Bankier

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  1. D. E. Litmanovich
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  2. A. A. Bankier
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Correspondence to D. E. Litmanovich .

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Editors and Affiliations

  1. , Department of Radiology, Reseau Hospitaller de Medecine Sociale, Baudour, Belgium

    Denis Tack

  2. Massachusetts General Hospital, Department of Radiology, Harvard Medical School, Fruit St. 55, Boston, 02114, Massachusetts, USA

    Mannudeep K. Kalra

  3. Hôspital Erasme, Department of Radiology, Université libre de Bruxelles, Route de Lennik 808, Brussels, 1070, Belgium

    Pierre Alain Gevenois

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Litmanovich, D.E., Bankier, A.A. (2012). CT Scanning in Pregnancy. In: Tack, D., Kalra, M., Gevenois, P. (eds) Radiation Dose from Multidetector CT. Medical Radiology(). Springer, Berlin, Heidelberg. https://doi.org/10.1007/174_2011_521

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