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Related Concept Videos

Computed Tomography01:10

Computed Tomography

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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.
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Calcium-Scoring CT ScanA calcium-scoring CT scan, also known as coronary artery calcium (CAC) scan, detects calcium deposits in the coronary arteries. This test assesses the risk of coronary artery disease (CAD), which can lead to cardiovascular events such as angina, heart failure, and sudden cardiac arrest.A calcium-scoring CT scan is generally recommended for individuals at intermediate risk of CAD without symptoms. It includes:Men aged 40-75 and women aged 50-75: Especially those with a...
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Radiological Investigation I: X-ray and CT01:30

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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...
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Radiological Investigation III: Pulmonary Angiogram and PET Scan01:13

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Radiological investigations are paramount in the diagnosis and management of various pulmonary diseases. Two essential investigations are the Pulmonary Angiogram and the Positron Emission Tomography (PET) Scan.
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Using Micro-computed Tomography for the Assessment of Tumor Development and Follow-up of Response to Treatment in a Mouse Model of Lung Cancer
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Lung cancer screening with low-dose computed tomography.

Caroline Chiles1

  • 1Department of Radiology, Wake Forest University Health Sciences Center, Medical Center Boulevard, Winston-Salem, NC 27157, USA.

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PubMed
Summary

Low-dose computed tomography (LDCT) screening is recommended for eligible smokers. Further research is needed to optimize lung cancer screening protocols and risk-benefit analysis.

Keywords:
Computed tomographyLung cancerLung cancer screeningPulmonary noduleThoracic imaging

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Area of Science:

  • Pulmonology
  • Radiology
  • Oncology

Background:

  • Current guidelines recommend low-dose computed tomography (LDCT) for lung cancer screening in high-risk individuals.
  • Eligibility criteria include age (55-74 years) and smoking history (≥30 pack-years).

Purpose of the Study:

  • To review current lung cancer screening practices with LDCT.
  • To identify areas for future research in screening population selection and nodule follow-up.

Main Methods:

  • Review of current guidelines and research in LDCT lung cancer screening.
  • Analysis of findings regarding indolent lung cancers detected by LDCT.

Main Results:

  • LDCT screening is endorsed for specific populations based on age and smoking history.
  • Adherence to nodule follow-up algorithms is crucial.
  • LDCT has identified indolent lung cancers, some of which may not be fatal.

Conclusions:

  • Lung cancer screening with LDCT is established for high-risk individuals.
  • Future research should focus on risk stratification for optimal screening candidate selection.
  • Further investigation is required to maximize the risk-benefit ratio of lung cancer screening.