Articles tagged with Biopsies
Researchers have developed a 3-in-1 optical probe that combines spectroscopic techniques to detect cancerous skin lesions. The device may reduce unnecessary biopsies by providing a clear picture of which skin lesions are most likely cancerous, potentially saving lives.
A new epigenetic test has been validated to accurately predict prostate cancer risk, eliminating the need for unnecessary repeat biopsies. The test demonstrated a negative predictive value of 90% in one trial and 88% in another, confirming its potential as a diagnostic aid.
Research from the University of Texas MD Anderson Cancer Center found that African American women with early-stage invasive breast cancer were 12% less likely to receive axillary sentinel lymph node biopsy, a minimally invasive technique. The study also showed that those who received older, more invasive axillary lymph node dissection ...
Researchers identified racial disparities in the use of sentinel lymph node biopsy (SLNB) among black and white women with early-stage breast cancer. Black women were 12% less likely to undergo SLNB, contributing to higher risk for lymphedema compared to white patients.
A new noninvasive blood test detects increasing amounts of donor DNA in the recipient's blood, identifying heart-transplant rejection weeks or months earlier than biopsy. The test outperforms existing methods, including AlloMap, with higher accuracy and potential to revolutionize patient care.
A study by MD Anderson Cancer Center found that needle biopsy is underused in breast cancer diagnosis, with many patients undergoing unnecessary excisional biopsies. Surgeon influence was also a significant factor, with certain characteristics associated with a higher rate of excisional biopsies.
Scientists have identified four microRNAs that can aid in the differential diagnosis of malignant pleural mesothelioma (MPM) from non-cancerous pleural tissue. The biomarkers, miR-126, miR-143, miR-145, and miR-652, were found to classify tissue samples with high accuracy.
The clinical validation study showed ProMark correctly identified low-risk disease with a sensitivity of 90% or better. The test provided additional independent prediction relative to standard risk-stratification systems, improving personalized treatment decisions for prostate cancer patients.
A commercial epigenetic diagnostic test has been found to be accurate enough to exclude the need for repeat prostate biopsies in many men. The test analyzes DNA hypermethylation levels in specific genes and shows an 88% likelihood of no cancer when all three biomarkers are absent.
A recent study by Northwell Health demonstrates that magnetic resonance imaging (MRI) guided biopsies can detect prostate cancer more accurately, with a detection rate twice as high as previous data. The new targeted approach uses MRI and transrectal ultrasound fusion to identify clinically significant prostate cancer.
A new UCLA study reveals that conventional biopsies may fail to detect aggressive cancers in men with low-risk prostate cancer, highlighting the need for a targeted biopsy approach. The findings suggest that the criteria for active surveillance should be re-evaluated to account for the risk inflation seen with targeted prostate biopsy.
A study found that breast tomosynthesis in diagnostic workup reduced use of ultrasound and biopsies, with higher positive predictive value for cancer compared to 2D mammography. The technology resulted in less need for additional imaging exams.
A new study found that chronic inflammation in non-cancerous prostate tissue may increase a man's risk of developing high-grade prostate cancer by nearly twice. The study showed that men with signs of chronic inflammation had a higher risk of having an aggressive and rapidly growing prostate cancer.
A study found that chronic inflammation in benign prostate tissue was associated with high-grade prostate cancer. Men with at least one biopsy core showing inflammation had a 1.78 times higher odds of having prostate cancer and a 2.24 times higher odds of having aggressive disease.
A new method using existing ultrasound scanners allows doctors to accurately detect prostate cancer with much greater precision, reducing the need for painful biopsies. The technique saves money by eliminating costly biopsy analysis and can potentially eliminate biopsies altogether.
A new study found that full-field digital mammography (FFDM) is associated with lower recall and biopsy rates than screen film mammography (SFM), reducing the number of unnecessary diagnostic workups. FFDM implementation led to lower false positive screening exams and fewer biopsies with benign outcomes.
Sentinel node biopsy has significantly improved 10-year disease-free survival rates and melanoma-free survival for melanoma patients, reducing the need for extensive lymph node surgery. The procedure has become a worldwide standard in diagnosing melanoma, thanks to Moffitt Cancer Center's pioneering role in its development and teaching.
A new approach to prostate cancer screening is needed, focusing on high-risk men rather than the entire population. The risk-based approach uses a computer-generated calculator that assesses factors like PSA levels, family history, and ethnicity to identify those at greatest risk.
A new noninvasive urine test can distinguish among different causes of acute kidney dysfunction in transplant recipients. The test measures messenger RNAs related to disease processes and may allow patients to avoid invasive kidney biopsies.
Studies found that biopsied kidney injuries were modestly associated with delay in organ function, but only for donor kidneys already at high risk. However, there was a large degree of overlap between discarded and transplanted kidneys, suggesting low-quality biopsies may be used to make acceptance decisions.
A new study shows that in vivo endomicroscopy improves the detection of Barrett's esophagus-related neoplasia when used with high-definition white-light endoscopy, reducing unnecessary mucosal biopsies and potentially changing patient care. The approach involves real-time endoscopic diagnosis and imaging-guided therapy.
Researchers develop a method to predict future clinical events using genomic testing over multiple patient visits. The AlloMap test can assess the risk of dysfunction or rejection of a transplanted heart months before such an event may occur.
High-resolution CT scans can detect IPF by identifying a characteristic honeycombing pattern in lung scarring. This non-invasive method may replace surgical lung biopsies in some cases, reducing substantial risks associated with the procedure.
A credit card-sized device has been developed to process tissue biopsies for 3-D imaging, which can provide a more complete picture of the cellular makeup of a tumor. This technology could potentially reduce diagnosis time to minutes and improve prognosis for pancreatic cancer patients.
A new study found that 3D mapping biopsies detect nearly three times as many cancerous zones in prostate cancer patients compared to ultrasound-guided biopsies. The study suggests that 3D mapping biopsies can accurately assess the location, stage, and risk of prostate cancer, leading to more targeted treatment options.
A new blood test has been developed to diagnose coeliac disease, providing a rapid and accurate result within 24 hours. The test measures T cell response to gluten after three days of consumption, showing high predictive value for coeliac disease diagnosis.
Researchers developed a test to predict early onset of heart attacks by identifying circulating endothelial cells (CECs) in the blood. The technique has been successful in distinguishing patients undergoing treatment for a recent heart attack with healthy controls.
A new 'fluid biopsy' technique identifies circulating endothelial cells as markers in the bloodstream to predict early onset of heart attacks. The test distinguishes patients undergoing treatment for a recent heart attack from healthy controls, offering a potential solution for clinical use.
Two esophageal conditions, eosinophilic esophagitis and PPI-responsive esophageal eosinophilia, are so similar that even a biopsy is not enough to distinguish one from the other. Patients may need an 8-week antacid trial and repeat endoscopy for proper diagnosis.
A study published online in Cancer found that increased inflammation in the prostate gland may predict a reduced risk of developing prostate cancer. The study's findings suggest that biopsies performed on prostates with high inflammation levels may indicate a lower risk for subsequent cancer detection.
Researchers found that 53% of men with ERG-positive HGPIN biopsies developed invasive prostate cancer, compared to 35% of those with ERG-negative biopsies. The discovery may help physicians monitor men at higher risk for cancer development and reduce unnecessary future biopsies.
A study found that younger patients have a lower quality-of-life score after breast biopsy due to increased pain and anxiety. The researchers suggest tailored pre-biopsy counseling could minimize these effects.
Cardiac antibody-mediated rejection is a major limitation to survival of patients who have undergone heart transplantation. A new working formulation has been developed to guide the diagnosis, grading, and reporting of AMR, which includes histopathologic features and immunopathologic criteria.
A Polish study has developed a new imaging modality using Magnetic Resonance Imaging-Ultrasound (MRIUS) to guide prostate biopsies, yielding higher sensitivity rates compared to traditional TRUS biopsies. The technology, which fuses MRI with TRUS images, allows for real-time guidance of targeted biopsies in office settings.
A non-invasive alternative to liver biopsy, the French-made FibroScan, has been proven very reliable in a national multi-center study. The device measures liver stiffness to assess fibrosis and guide treatment, providing quick and painless results.
Researchers found three ultrasound nodule characteristics associated with thyroid cancer risk: microcalcifications, size >2cm, and solid composition. Adopting a stringent approach requiring two abnormal nodule characteristics could reduce unnecessary biopsies while maintaining low cancer risk.
A team of researchers from UCSF analyzed medical records and found that most thyroid nodules are benign, not malignant cancers. They suggest biopsying only patients with microcalcifications or large solid nodules over two centimeters in diameter to reduce unnecessary procedures.
A study published in Neural Regeneration Research reveals that calpainopathy is the most common form of limb-girdle muscular dystrophy in China, followed by dysferlinopathies. Muscle biopsy tests were used to distinguish different subtypes and provide a clearer understanding of this condition's prevalence.
A study found that frozen sperm taken directly from testicles is just as effective as fresh sperm in helping couples conceive through IVF. The type of facility where sperm is taken and its distance from the IVF laboratory have no bearing on pregnancy outcomes.
Patients with celiac disease who have persistent intestine damage are at a higher risk of developing lymphoma compared to those whose intestines have healed, according to new research. The study found that the risk of lymphoma is significantly lower in patients with healed intestines, approaching that of the general population.
A study found that patients with Celiac disease and persistent intestinal damage have a higher risk for lymphoproliferative malignancy. Prioritizing USPSTF recommendations based on patient characteristics can improve life-expectancy by identifying the most beneficial interventions for each individual.
A study found that PET/CT is more sensitive and accurate than bone marrow biopsy in detecting bone marrow involvement in DLBCL patients. The imaging modality also predicted progression-free survival and changed treatment plans for 42% of patients with bone marrow involvement.
A new noninvasive urine test can diagnose and predict kidney transplant rejection with high accuracy, offering an alternative to the standard kidney biopsy. The test uses biomarkers in the urine of kidney transplant recipients to detect rejection, allowing doctors to intervene early and prevent kidney injury.
A new study has compared the effectiveness of two diagnostic procedures for sarcoidosis: endosonography and bronchoscopy. The researchers found that endosonography resulted in a significantly higher diagnostic yield, detecting granulomas more often than bronchoscopy.
A new Raman spectroscopy algorithm can accurately diagnose breast cancer and its associated lesions, reducing the need for repeat biopsies. The algorithm showed positive predictive values of 100% and negative predictive values of 96% for detecting breast cancer with or without microcalcifications.
A study published in Journal of the American College of Surgeons found that 35% of Texas women diagnosed with a breast mass between 2000 and 2008 underwent unnecessary surgical biopsies. This represents thousands of women who had surgery unnecessarily, while also driving up healthcare costs.
Researchers have developed a method to identify embryos with chromosomal abnormalities using time-lapse imaging and morphokinetic analysis, avoiding invasive biopsies. This approach has shown significant improvements in implantation and live birth rates when low-risk embryos are transferred.
A new UCI study found that assessing comorbidities can help target prostate cancer patients who may not benefit from a biopsy, potentially reducing unnecessary procedures. The study identified 20% of men as high-risk due to existing health conditions, suggesting alternative care options.
Researchers have developed a non-invasive test for diagnosing non-alcoholic steatohepatitis (NASH), a more advanced form of NAFLD. The phosphorus magnetic resonance spectroscopy (31P-MRS) technique shows fair diagnostic accuracy for NASH and could improve clinical procedures.
A new study from Northwestern University suggests that personalized PSA testing can help reduce the number of men who undergo unnecessary biopsies. Genetic correction of PSA levels using genetic variants has been shown to change the outcome for 17 men, and could potentially prevent 15-20% of prostate biopsies annually.
Researchers found obese men were more likely to have precancerous lesions detected in their benign prostate biopsies compared to non-obese men. Obesity was also associated with a significantly higher risk of developing prostate cancer after an initial benign biopsy, particularly in the first few years after.
Researchers at Johns Hopkins University have successfully performed biopsies using hundreds of tiny, untethered grippers that can collect tissue samples without batteries or wires. The microgrippers, activated by the body's heat, hold promise for more effective cancer detection and disease diagnosis.
A new study reveals that correcting PSA levels for genetic variants can significantly reduce unnecessary biopsies and false complacency. By tailoring screening levels to an individual's genetic makeup, the risk of prostate cancer can be more accurately assessed. This approach has the potential to prevent up to 15% to 20% of biopsies.
A study found that genetic testing can help identify BPH patients at higher risk of developing prostate cancer. Ten single nucleotide polymorphisms were linked to PCa risk, with one marker showing a strong association.
A genetic score based on PCa risk-associated SNPs improves predictive performance of existing clinical variables, especially for patients with low PSA levels. The study identified 25 SNPs significantly associated with PCa risk and found that the genetic score was an independent predictor of biopsy outcomes.
Thousands of melanoma patients are undergoing sentinel node biopsy despite a lack of clear evidence, with up to 96% of cases resulting in unnecessary surgery. The BMJ calls on funders and researchers to demand prompt publication of the full results of the MSLT-I trial.
Genetic sequencing technology is altering cancer diagnosis and treatment, but traditional specimen handling methods slow progress. Scripps physicians propose freezing tumor tissue to preserve DNA coding, potentially leading to better diagnoses and treatments.
A new targeted prostate biopsy technique using magnetic resonance ultrasound fusion has been shown to improve diagnosis of prostate cancer and aid in selecting patients for active surveillance. The study found that the biopsies identified 90 out of 171 men with prostate cancer, highlighting its potential as a more accurate and efficien...
A new imaging-guided targeted biopsy method using MRI and ultrasound fusion has been shown to detect prostate cancer more accurately than traditional blind biopsies. The technique led to a high rate of cancer detection and identification of aggressive tumors, improving patient outcomes.
African American women with early-stage invasive breast cancer were 12% less likely to receive the minimally invasive axillary sentinel lymph node biopsy compared to Caucasian women. The study found higher rates of lymphedema among African American women who underwent the older, more invasive procedure.