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Related Concept Videos

Brain Imaging01:14

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Whole-brain Segmentation and Change-point Analysis of Anatomical Brain MRI—Application in Premanifest Huntington's Disease
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Demographic changes in brain CT and MR imaging between 1990 and 2010.

Th Vancauwenberghe1, Ph Demaerel

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Cranial computed tomography (CT) and magnetic resonance imaging (MRI) use increased significantly between 1993 and 2009. Indications like metastatic disease and head injury drove CT growth, necessitating guidelines for rational use.

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Area of Science:

  • Neuroimaging
  • Radiology
  • Medical Imaging Analysis

Background:

  • Computed tomography (CT) and magnetic resonance imaging (MRI) have transformed neuroimaging.
  • The utilization patterns and variations in cranial CT and MRI scans remain under-investigated.

Purpose of the Study:

  • To retrospectively analyze the evolution of demographic variables and indications for cranial CT and MRI scans.
  • To examine changes in scan usage at a single hospital across three time points: 1993, 2000, and 2009.

Main Methods:

  • Retrospective study of in- and outpatients undergoing cranial CT or MRI.
  • Data collection included demographic variables and patient characteristics.

Main Results:

  • A modest increase in the average patient age was observed.
  • Significant increases in the total number of cranial CT examinations, MRI confirmation studies, and repeat examinations were noted.
  • Indications such as metastatic disease, head injury, and headache showed a more rapid increase in CT utilization compared to other indications.

Conclusions:

  • All analyzed factors (examination volume, age, indication, MR confirmation, repeat scans) demonstrated significant variation over the 16-year study period.
  • The findings underscore the need for strict regulations and guidelines for the rational utilization of brain CT and MRI to manage costs and radiation exposure.