Health
A new ultrasound method as effective as MRI for diagnosing prostate cancer
Researchers in the United Kingdom have demonstrated that a new type of ultrasound scan can diagnose prostate cancer with the same accuracy as costly and time-consuming magnetic resonance imaging (MRI). The findings provide an easier way for clinicians to quickly test patients for clinically important prostate cancer.
Prostate cancer is the most common cancer that appears in men. It’s a slow-growing cancer, Estimated 1 in 5 men to die There is some form of asymptomatic cancer in the prostate.
Diagnosis of prostate cancer can be difficult. In general, the first diagnostic method is a rectal exam to physically identify the abnormality in the prostate. Another tool available to doctors is a blood test to check the level of PSA. This is a biomarker that can identify the presence of prostate cancer.
The problem with PSA blood tests is that they often pick up signals for prostate cancer very early on. This leads to unnecessary treatment and anxiety for the patient.
MRI scans are the most effective current tool for assessing the clinical importance of prostate cancer. These scans can identify whether the cancer requires urgent clinical treatment or should be left untouched for the time being.
“MRI scans are one of the tests used to diagnose prostate cancer,” explained Hashim Ahmed, the lead author of the new study. “These scans are effective, but expensive, but can take up to 40 minutes to run and are not readily available to everyone. A cancer wait list is created as a result of the COVID-19 pandemic. Therefore, we need to find a more efficient and cheaper test for diagnosing prostate cancer. “
A new method developed to investigate prostate cancer is called multiparametric ultrasound (mpUSS). This test uses a probe inserted into the rectum to image the prostate with a variety of ultrasound techniques.
New research published in the journal Lancet Oncology We report the results of the first large-scale test to verify the effectiveness of this ultrasonography. The study recruited hundreds of men at high risk for prostate cancer. Each participant underwent MRI and mpUSS images and a subsequent biopsy to confirm the severity of the detected cancer.
Findings show that the new ultrasound method was almost as effective as MRI in detecting clinically important cases of prostate cancer. Ultrasound detected 4.3% fewer cases than MRI. However, ultrasonography captured a small amount of clinically significant prostate cancer that was ultimately missed by an MRI scan.
Researchers conclude that mpUSS can be used as an effective alternative diagnostic tool for MRI. This discovery is especially important because ultrasound technology is cheaper, faster, and much more widely available than MRI.
“Our study is the first to show that a special type of ultrasound scan can be used as a potential test to detect cases of clinically significant prostate cancer,” Ahmed said. rice field. “We believe this test can be used in low- and middle-income environments where access to expensive MRI equipment is difficult and the number of cases of prostate cancer is increasing.”
New research published in Lancet Oncology..
sauce: Imperial College London
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