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Minimal dose CT superior to chest X-ray for detection of recurrent lung cancer
Date:5/6/2013

and MnDCT.

Investigators found that MnDCT detected 94% of recurrent cancers compared to only 21% with standard x-rays (p<0.0001). Importantly, the recurrent lung cancer was detected at a much earlier stage, allowing patients to possibly undergo another curative surgery.

Detection of a new or recurrent cancer in asymptomatic patients led to further surgery or radiation for 75.5%, while palliative treatment was recommended for the remainder of patients. Survival in the treated group was significantly longer than those who were treated with palliative intent (69 months vs. 15 months, p<0.0001).

"MnDCT offers the best of both worlds: on the one hand it allows for precise imaging close to what is produced from a standard CT scan, and on the other hand it only delivers a small amount of radiation which is comparable to what a regular x-ray would deliver and much less than a standard dose CT scan," says Dr. Hanna. "More importantly, now we can detect recurrent lung cancer at a much earlier stage, allowing patients to possibly undergo another surgery, and live longer, healthier lives."

The study did find that MnDCT results produced a high rate of false positives, and the need for surgeons to be alert to this limitation in order to make correct clinical judgments regarding follow-up treatment.


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Contact: Nicole Baritot
press@aats.org
978-299-4520
American Association for Thoracic Surgery
Source:Eurekalert

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