Lung Cancer Screening Often Raises False Alarm
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Lung Cancer Screening Often Raises False Alarm
Our Review Summary
An article published in the Annals of Internal Medicine adds new fuel to the debate over the utility of lung cancer screening. The ongoing results of the National Lung Screening Trial from the National Cancer Institute are highly anticipated and many hope it will bring some clarity to this controversial topic. The full results won’t be available for another year or two, however this week’s publication provides a look at an important drawback of screening: false positive results. Preliminary results show that up to a third of all suspicious nodules found on CT scan were not actually cancer. For the patient, this means unnecessary anxiety, additional follow-up testing, and potentially risky and invasive procedures. Fundamentally, whether or not screening the benefits of screening justify these risks remains to be seen.
This story, in relatively few words, is notably strong in describing these risks, not only in quantitative terms, but in terms that are meaningful to someone considering screening.
Why This Matters
Both CT scans and x-rays generate significant numbers of false positive results when used to screen for lung cancer. Patients should carefully consider the consequences of these tests before initiating screening.
Criteria
Satisfactory
The story clearly states the cost of a CT scan. The story could have commented on the fact that insurance may not cover it as a screening test.
Not Applicable
Because the story focuses on the false positivity rate of CT scanning, it would not be necessary for it to also quantify the potential benefits.
Satisfactory
The story is particularly strong in its description and quantification of potential harms from CT screening. Not only does the story quantify the percentage of false positive results, but it clearly and vividly describes what they mean to the patient.
Satisfactory
The story does a good job of describing the current study, a large randomized trial from the National Cancer Institute.
Satisfactory
No disease-mongering in this story.
Not Satisfactory
The story could have been improved by quoting independent experts who could have provided more perspective on the importance of these findings.
Satisfactory
The story compares CT scanning to conventional X-rays as a screening method.
Satisfactory
CT scanning to detect and/or diagnose lung cancer is clearly widely available.
Satisfactory
CT scanning to detect and/or diagnose lung cancer is not a new idea. Whether to use this technology to screen widely for lung cancer is a relatively new and highly controversial idea.
Not Applicable
There is no way to know if the story relied on a press release as the sole source of information.
Total Score: 7 of 8 Satisfactory
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