Prostate cancer psa test, prosztatarák és psa szint Archívum | addon.élet

prostate cancer psa test
Email Men who took soy supplements after having their prostate cancer removed were just as likely to see their cancer return as men who didn't take soy, in a new study. According to the American Cancer Society, prostate cancer is the second most common cancer among men after skin cancer. It's estimated that one in every six men will be diagnosed with it. Some doctors believed compounds found in soy - known as isoflavones - might help prevent prostate cancer, but more recent studies have found those and other nutritional supplements don't reduce the risk of developing the disease see Reuters Health story of May 5, here:.

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prostate cancer psa test

The proposed non-invasive blood test uses a combination of two techniques: surface-enhanced Raman scattering SERS and a new mathematical analysis technique called support vector machine SVM. Together, these techniques produce an accuracy up to It is important to improve the survival of patients by early diagnosis and treatment. Currently, there are many diagnostic methods available—including B-mode ultrasound, CT scan, biopsy and histopathology assessment—but these techniques have various limitations.

For example, B-mode ultrasound only discerns the solid tumour and is therefore not applicable to patients in the early stages of cancer.

prostate cancer psa test

Biopsy and histopathology assessment are the gold standard of prostate cancer psa test examination but they are invasive and impractical for high-risk patients with multiple suspicious lesions. We hope to develop a rapid, non-destructive, optical diagnosis method to solve these problems.

We selected the inVia because it offers continuous scanning from 50 to wavenumbers [using SynchroScan, Renishaw's patented method of acquiring wide-range spectra] and its high sensitivity makes it suitable for biological tissue measurement.

prostate cancer psa test

It is also highly automated with software that is powerful and easy to use. The differences in the spectra reveal the enormous potential to diagnose cancer using the serum SERS technique.

The results show normalized mean SERS spectra of prostate cancer and normal serum sample.

The shaded area represents the standard deviations.

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