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Related Concept Videos

Computed Tomography01:10

Computed Tomography

Tomography refers to imaging by sections. Computed tomography (CT) is a non-invasive imaging technique that uses computers to analyze several cross-sectional X-rays to reveal minute details about structures in the body.
The technique was invented in the 1970s and is based on the principle that as X-rays pass through the body, they are absorbed or reflected at different levels. In the technique, a patient lies on a motorized platform while a computerized axial tomography (CAT) scanner rotates...
Imaging Studies III: Computed Tomography01:27

Imaging Studies III: Computed Tomography

DefinitionComputed Tomography (CT) of the genitourinary (GU) tract is a non-invasive imaging modality that utilizes X-rays and computer processing to generate detailed cross-sectional images of the urinary system, encompassing the kidneys, ureters, bladder, and adjacent structures such as the adrenal glands.PurposeCT scans of the GU tract serve several diagnostic and therapeutic purposes, including:Diagnosis of Urinary Tract Diseases: Detects kidney stones, tumors, cysts, and congenital...
Brain Imaging01:14

Brain Imaging

Brain imaging technologies provide critical insights into both the structure and function of the human brain, enabling medical professionals and researchers to diagnose, study, and treat neurological disorders or psychiatric disorders more effectively.
These technologies include computerized axial tomography (CAT or CT scans), positron-emission tomography (PET scans),  magnetic resonance imaging (MRI),  functional magnetic resonance imaging (fMRI), and Transcranial Magnetic Stimulation (TMS).
Imaging Studies for Cardiovascular System V: CT01:28

Imaging Studies for Cardiovascular System V: CT

Cardiac computed tomography (CT) scanning is an advanced cardiac imaging technique that utilizes CT technology, with or without intravenous (IV) contrast, to produce accurate cross-sectional virtual slices of specific areas of the heart, coronary circulation, and major blood vessels such as the aorta, pulmonary veins, and arteries. The computer processes these slices to generate three-dimensional images. Multidetector CT (MDCT) is a rapid form of CT scanning that captures multiple slices...
Imaging Studies I: CT and MRI01:14

Imaging Studies I: CT and MRI

Introduction: MRI and CT scans are crucial advancements in medical imaging techniques, playing a vital role in diagnosing conditions related to the gastrointestinal (GI) system. Each scan serves distinct purposes, targets specific areas, and requires unique nursing duties.
Description of the Procedures
Computed Tomography (CT) scan:
Computed Tomography (CT) scans use X-ray technology to generate detailed images of bones, organs, and tissues. During the scan, the patient lies on a moving table...
Radiological Investigation I: X-ray and CT01:30

Radiological Investigation I: X-ray and CT

Radiological investigations, including X-rays and computed tomography (CT) scans, are critical for diagnosing and evaluating various medical conditions. These imaging techniques provide valuable insights into the body's internal structures, aiding in the detection of abnormalities, assessment of disease progression, and development of treatment strategies. This article delves into two primary radiological investigations, chest X-rays and CT scans, outlining their purpose, procedures, and the...

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Related Experiment Video

Updated: May 10, 2026

3D-Neuronavigation In Vivo Through a Patient's Brain During a Spontaneous Migraine Headache
10:39

3D-Neuronavigation In Vivo Through a Patient's Brain During a Spontaneous Migraine Headache

Published on: June 2, 2014

CT scan utilization patterns in pediatric patients with recurrent headache.

Andrea DeVries1, Paul C Young, Eric Wall

  • 1HealthCore, Inc, Wilmington, DE 19801, USA. adevries@healthcore.com

Pediatrics
|July 4, 2013
PubMed
Summary

Computed tomography (CT) scans for pediatric headache are overused, even when not medically necessary. Neurologist evaluation is associated with lower CT scan rates, highlighting opportunities for improved neuroimaging practices in children.

Related Experiment Videos

Last Updated: May 10, 2026

3D-Neuronavigation In Vivo Through a Patient's Brain During a Spontaneous Migraine Headache
10:39

3D-Neuronavigation In Vivo Through a Patient's Brain During a Spontaneous Migraine Headache

Published on: June 2, 2014

Area of Science:

  • Pediatric neurology
  • Medical imaging utilization
  • Healthcare quality improvement

Background:

  • Computed tomography (CT) scans are frequently used for diagnosing pediatric headaches, despite guidelines suggesting they are often unnecessary.
  • High utilization raises concerns about radiation exposure and associated cancer risks in children.

Purpose of the Study:

  • To determine current neuroimaging practice patterns for pediatric headaches.
  • To identify factors influencing the use of CT scans in diagnosing pediatric headaches.
  • To assess CT scan utilization across different healthcare settings.

Main Methods:

  • Retrospective claims analysis of children (3–17 years) with at least two headache-related medical claims.
  • Primary outcome: CT scan utilization following initial headache diagnosis in physician offices or emergency departments (EDs).

Main Results:

  • 26% of pediatric headache patients underwent CT scans, with 74% occurring within one month of diagnosis.
  • ED visits increased CT scan likelihood by fourfold; however, over 20% of non-ED patients also received CT scans.
  • Neurologist evaluation was linked to significantly lower CT scan rates compared to other specialists.

Conclusions:

  • CT scan use for pediatric headaches remains high, contrary to guidelines and evidence of low diagnostic yield.
  • Quality improvement initiatives are crucial to ensure CT scans are performed only when indicated, minimizing radiation exposure.
  • Reducing unnecessary CT scans can mitigate risks of ionizing radiation and potential cancer development in children.