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A Chinese laser blood test detects lung cancer years before CT scans, showing promise for early diagnosis.
A laser-based blood test developed in China can detect lung cancer years before tumors appear on CT scans by identifying trace biomarkers in blood with high sensitivity, according to research published in Optica.
The test, created by Shenzhen University scientists, uses laser light to analyze blood samples and delivers a clear yes-or-no result in minutes without needing chemical amplification, reducing costs and error risk.
It detects signals at the subatomic level with minimal interference, offering potential for early diagnosis, real-time treatment monitoring, and improved survival rates.
While promising, the technology remains in the lab stage, tested only on diluted patient serum, and requires further clinical trials and regulatory approval before widespread use.
Un análisis de sangre con láser chino detecta el cáncer de pulmón años antes de las tomografías computarizadas, lo que es prometedor para el diagnóstico precoz.