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Detecting Anastasis In Vivo by CaspaseTracker Biosensor

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Published on: February 1, 2018

Cancer risks from diagnostic radiology.

E J Hall¹, D J Brenner

¹Center for Radiological Research, Columbia University Medical Center, New York, NY 10032, USA. ejh1@columbia.edu

The British Journal of Radiology

|April 29, 2008

Summary

This summary is machine-generated.

The number of CT scans has significantly increased, raising concerns about potential cancer risks. While benefits often outweigh risks, unnecessary scans and screening require careful evaluation.

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Area of Science:

Radiology
Medical Imaging
Public Health

Background:

CT scan usage has surged dramatically in the US and UK over two decades.
This increase raises concerns regarding long-term health effects, particularly cancer induction.
High-dose procedures like CT scans contribute significantly to collective radiation dose.

Purpose of the Study:

To address concerns about the long-term consequences of increased CT scan usage.
To evaluate the benefit/risk balance of CT scans, especially when used without clear clinical rationale or for screening.
To highlight the need for evidence-based justification for CT examinations.

Main Methods:

Analysis of CT scan usage statistics in the US and UK.
Review of epidemiological evidence linking diagnostic radiology doses to cancer risk.
Assessment of scenarios involving unnecessary CT scans and screening.

Main Results:

CT usage has increased 20-fold (US) and 12-fold (UK) in 20 years.
US per capita CT usage is five times higher than in the UK.
A significant portion of CT scans may be performed without a clear clinical need or for screening, with unestablished benefit/risk ratios.

Conclusions:

While the individual risk from high-dose CT procedures is generally small, widespread use and unnecessary examinations warrant attention.
The benefit/risk balance for CT screening in asymptomatic individuals remains undetermined.
Careful consideration of clinical rationale and necessity is crucial for optimizing CT scan utilization.