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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...

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Related Experiment Video

Updated: Jul 8, 2026

Advanced Diffusion Imaging in The Hippocampus of Rats with Mild Traumatic Brain Injury
10:33

Advanced Diffusion Imaging in The Hippocampus of Rats with Mild Traumatic Brain Injury

Published on: August 14, 2019

Repeat CT scan in closed head injury.

S B Dharap1, A A Khandkar, A Pandey

  • 1Department of Surgery, L.T.M. Medical College, Sion, Mumbai 400 022, India. drdharap@hotmail.com

Injury
|February 16, 2005
PubMed
Summary
This summary is machine-generated.

Repeat cranial computed tomography (CT) scans are valuable for head injury patients experiencing clinical deterioration, guiding surgical intervention. Routine follow-up CT scans in stable or improving patients typically do not alter management, suggesting a need for selective use.

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Last Updated: Jul 8, 2026

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Area of Science:

  • Neurosurgery
  • Radiology
  • Trauma Care

Background:

  • Cranial computed tomography (CT) scans are frequently repeated to monitor intracranial injury progression.
  • A prospective observational study was conducted to analyze the impact of repeat CT scans in head injury patients.

Purpose of the Study:

  • To analyze the effect of repeat CT scans in patients with intracranial injury.
  • To formulate a guideline for the judicious use of repeat cranial CT scans.

Main Methods:

  • 175 patients with blunt head injury underwent CT scans.
  • Repeat CT scans were performed at neurosurgeons' discretion, without a standardized protocol.
  • Patients with polytrauma were excluded from the study.

Main Results:

  • Repeat CT scans were performed in 30% of patients (53/175).
  • Indications included clinical deterioration, failure to improve, or routine follow-up.
  • Nine patients underwent surgery based on repeat CT findings, all associated with clinical deterioration and improved survival post-intervention.

Conclusions:

  • Repeat CT scans are crucial for identifying surgically treatable lesions in head-injured patients with clinical deterioration.
  • Routine follow-up CT scans in stable or improving patients are unlikely to provide new information or change treatment plans.
  • Guidelines for selective repeat CT use can be beneficial, especially in resource-limited settings.