Biopsies
Articles tagged with Biopsies
Tumor-informed liquid biopsy suggests structural-variant ddPCR can monitor high-grade serous ovarian cancer
A novel method for monitoring on-treatment disease burden in high-grade serous ovarian cancer uses tumor-informed breakpoints-spanning ddPCR, detecting superior sensitivity and specificity compared to real-time PCR. The approach may enable sensitive and specific detection of minimal residual disease and early relapse detection.
Computational model measures key aging metric from routine biopsies
Researchers developed a computational tool that infers telomere length from structural changes in cells and tissues captured in medical biopsies. The TLPath model accurately predicts telomere length, providing new opportunities for studying human aging.
Research presented at international urology conference in London shows how far prostate cancer screening has come
Research presented at EAU26 confirms that prostate cancer screening leads to a reduction in mortality, but also detects cancers that would otherwise remain undetected. The study's findings suggest that using MRI in prostate cancer screening can reduce overdiagnosis and unnecessary biopsies.
AI cancer tools risk “shortcut learning” rather than detecting true biology
New research warns that popular AI systems for predicting cancer biology may rely on visual shortcuts, raising concerns about their reliability for real-world patient care. Despite achieving high accuracy, these models often fail when conditions change or confounding factors are controlled.
Classifying pediatric brain tumors by liquid biopsy using artificial intelligence
A new AI-powered algorithm, M-PACT, uses liquid biopsy to classify pediatric brain tumors based on DNA methylation patterns. The technology has been shown to achieve a high sensitivity rate of 92% in identifying brain tumors.
Imaging technique can reduce benign breast biopsies by 25%
A new imaging technique using ultrasound-guided diffuse optical tomography can reduce unnecessary benign breast biopsies by nearly 25%, according to a recent study. The technology uses near-infrared light to create 3D pictures of tissues, revealing functional differences between normal and cancerous tissue.
Novel liquid biopsy technology lowers barriers for more efficient cancer diagnostics
A new liquid biopsy technology, Bridge Capture, has been developed to overcome the challenges of sensitive and cost-efficient cancer diagnostics. It detects rare variant allele frequencies with superior sensitivity compared to existing methods.
Advances in liquid biopsies as a tool for detecting lung cancer mutations
A study published in Molecular Oncology developed a liquid biopsy panel that can detect specific gene mutations in lung cancer patients, offering a potential solution for early detection and guiding patient treatment. The test showed promising results, detecting mutations in 65.6% of samples, including those in frozen samples without s...
Could a liquid biopsy test lead to earlier diagnoses for numerous cancer types?
A liquid biopsy test may enable early detection of various cancers, increasing stage I–III diagnoses by 10-30% and stage IV diagnoses by 45%. This could improve patient outcomes and reduce the economic impact of cancer. The study's findings suggest a game-changing approach to cancer control.
Not all low-grade prostate cancers are low risk
A new study found that one in six men with low-grade prostate cancer (GG1) actually have intermediate- or high-risk cancer when other clinical features are considered. This suggests that relying on biopsy grade alone can lead to underestimating disease risk and misclassifying individuals who may benefit from definitive treatment.
Innovative liquid biopsy test uses RNA to detect early-stage cancer
Researchers at UChicago have developed a more sensitive liquid biopsy test that uses RNA to detect the earliest stages of colorectal cancer with 95% accuracy. The test analyzes RNA modification levels in blood samples, which remain stable regardless of sample preparation.
Switch to experimental drug after liquid biopsy detection of breast cancer recurrence improves outcomes
A large clinical trial found that switching to an experimental drug after liquid biopsy detection of treatment-resistant mutations in breast cancer patients substantially extends tumor control and overall health status. The study, conducted at Weill Cornell Medicine, showed better outcomes compared to standard care.
National Cancer Institute grant funds prostate cancer imaging study
A new $4 million grant will test whether Prostate Specific Membrane Antigen (PSMA)-Positron Emission Tomography (PET) Computed Tomography (CT) can improve prostate cancer monitoring while reducing screening-related harms. The study aims to reduce the need for biopsies in men with low- or intermediate-risk prostate cancers.
Patient outcomes may improve with tailored treatment guided by tissue plus liquid biopsies vs. individually
The ROME trial found that patients with concordant biopsy findings experienced improved survival outcomes when receiving tailored therapy based on genomic alterations detected in both tissue and liquid biopsies. This approach led to better overall survival, progression-free survival, and objective response rates compared to standard-of...
Molecular tests provide more convenient, personalized monitoring of heart transplant recipients
New molecular testing methods are transforming post-transplant care by detecting potential heart injury or rejection earlier than traditional biopsies. This enables physicians to reduce immunosuppressive medicine dosage in low-risk patients, potentially improving patient outcomes beyond the first year post-heart transplant.
Liquid biopsy: A breakthrough technology in early cancer screening
Liquid biopsy analyzes circulating tumor components in body fluids to detect cancer at early stages, offering a safer and more dynamic alternative to traditional tissue biopsies. This non-invasive approach has shown promise in detecting various types of cancer, including lung, breast, colorectal, prostate, and gastric cancers.
Research Spotlight: Comparison of single-cell profiling methods reveals strengths and limitations
The study directly compared Droplet-based scRNA (D-scRNA) and Picowell-based scRNA (P-scRNA) platforms for analyzing human mucosal biopsies. D-scRNA provides more detailed insights, but requires resources and may introduce contamination. P-scRNA is gentler, more resource-efficient, but less effective in capturing rare cell types.
Mini rolling robot takes virtual biopsies
Researchers developed a tiny magnetic robot that can take 3D scans from deep within the body, enabling 'virtual biopsies' for non-invasive cancer diagnosis and treatment. The device uses high-frequency imaging to create detailed 3D reconstructions, allowing clinicians to diagnose and treat colorectal cancer in a single procedure.
Delay of more than 42 days for breast cancer surgery raises death risk for certain subtypes, University of Oklahoma study finds
Patients with hormone receptor-positive and HER2-negative breast cancers face a higher risk of death from the cancer if they wait more than 42 days after diagnosis to have surgery. Delayed surgery increases the patient's risk exponentially, with risks of death increasing by 21%, 79%, and 183% at 60, 90, and 120 days, respectively.
High resolution ultrasound could enable faster prostate cancer diagnosis
A new study has shown that high-resolution ultrasound can diagnose prostate cancer as effectively as MRI, with improved resolution and lower costs. The technology, called micro-ultrasound, is expected to speed up diagnosis, reduce hospital visits, and make imaging more accessible, particularly in less developed healthcare systems.
The combined use of insect repellent and sunscreen reportedly reduces UV protection
Researchers from CNRS found that applying a mixture of sunscreen and insect repellent simultaneously decreases UV protection. The study used skin biopsies and computer tool analysis to measure the stress response of skin cells to radiation.
Racial disparities seen in care after abnormal mammograms
A study found significant racial disparities in who received same-day diagnostic services and biopsies after abnormal mammogram findings, with Black women being less likely to receive same-day biopsies. Rural-resident patients were more likely to receive same-day diagnostic services than urban residents.
Racial disparities seen in same-day breast diagnostic and biopsy services
A study found racial and ethnic minorities are less likely to receive standard-of-care diagnostic imaging after abnormal screening mammograms compared to white patients. Minority groups were also less likely to have access to same-day biopsy services, despite similar availability of most diagnostic services.
New blood test accurately predicts preeclampsia
A new blood test using cell-free DNA from the placenta during pregnancy can predict preterm preeclampsia with 80% accuracy. The test's development is a significant breakthrough in prenatal care, potentially improving treatment outcomes for high-risk pregnancies.
OU researcher receives Cancer Foundation Fellowship for imaging breakthrough
A new technique using optical coherence tomography (OCT) probe aims to improve kidney biopsy imaging, reducing failed surgeries and improving patient outcomes. The technology could also help identify tumor types and reduce cases of renal hemorrhage.
Urine-based test detects aggressive prostate cancer
Researchers have clinically validated a urine test that can detect aggressive prostate cancer, potentially avoiding unnecessary biopsies and overtreatment. The test, called MyProstateScore 2.0, analyzes 18 genes linked to high-grade prostate cancer and showed a 94% sensitivity rate.
Significant funding to ensure personalized treatments that work for rheumatoid arthritis
Researchers will analyze tissue samples from 100 patients over three years to understand why some respond better than others to biologic and targeted therapies. The study aims to improve matching of treatments to individual patients, reducing the guesswork and cost associated with ineffective treatment.
A new blood test reveals hearts at risk of rejection
A new blood test reveals heart transplant patients at risk of rejection by analyzing DNA fragments in their blood. This non-invasive test is comparable to existing US tests and could save millions in public healthcare costs.
Healthy women have cells that resemble breast cancer, study finds
A new study from the University of Texas M. D. Anderson Cancer Center found that at least 3% of normal breast tissue cells in healthy women contain chromosome abnormalities associated with invasive breast cancer, which may guide future approaches to early detection.
Remote telemedicine tool found highly accurate in diagnosing melanoma
A new study found that a remote telemedicine tool called SpotCheck is highly accurate in diagnosing melanoma, with experts able to remotely examine skin lesions using dermoscopy. The tool has the potential to address diagnostic and treatment disparities for lower-income populations with limited access to dermatologists.
Chinese Medical Journal study reveals that surgical removal of prostate cancer is possible without biopsy
A Chinese Medical Journal study reveals that patients with prostate cancer can undergo surgical removal without a pre-operative biopsy, using a combination of mpMRI and PSMA PET/CT imaging. This approach reduces costs and complications associated with traditional biopsy methods.
Johns Hopkins researchers use electronic diagnostic model to predict acute interstitial nephritis (AIN) in patients
Acute interstitial nephritis (AIN) is a common cause of acute kidney injury, often linked to medication use. Johns Hopkins researchers developed an electronic diagnostic model using machine learning to predict AIN in patients, showing improved accuracy in diagnosis and potential benefits for treatment decisions.
Closing in on Parkinson’s Disease proteins in extracellular vesicles in the blood
Researchers have developed a new protocol to exclusively access and quantify proteins carried by extracellular vesicles in the blood. This breakthrough may lead to early diagnosis of Parkinson's disease and other brain disorders, providing treatment opportunities before symptoms appear.
Researchers aim to streamline cancer detection with new method for liquid biopsies
Researchers have developed a new tool that collects and analyzes extracellular vesicles to detect cancer cells more accurately. The digital approach allows for simultaneous analysis of multiple biomarkers, enabling earlier detection of cancer at curable stages.
Computational tool developed to predict immunotherapy outcomes for patients with metastatic breast cancer
Researchers developed a method to assess which patients with metastatic triple-negative breast cancer can benefit from immunotherapy. The tool uses predictive biomarkers and machine learning-based approaches to identify patients who are likely to respond to treatment.
Aston University researcher develops new optical technique that could revolutionise medical diagnostics
Aston University researcher has developed a new technique harnessing Orbital Angular Momentum (OAM) light to improve imaging and data transmission through skin and biological tissues. The OAM-based approach shows unmatched sensitivity and accuracy, paving the way for non-invasive medical diagnostics and imaging.
The world’s first non-electric touchpad takes sensor technology to extreme conditions
Researchers at Tampere University have developed a non-electric touchpad that can sense force, area, and location of contact without electricity. The device is made of soft silicone and contains 32 channels, enabling precise detection of handwritten letters and multiple simultaneous touches.
An early blood test can predict survival in patients with metastatic prostate cancer, shows USC study
A non-invasive blood test measuring circulating tumor cells can predict treatment response, disease progression, and overall survival in men with metastatic prostate cancer. Patients with more CTCs had shorter median survival lengths and a greater risk of death.
AI could predict breast cancer risk via ‘zombie cells’
Researchers have developed an AI technology that can analyze mammary tissue biopsies to identify signs of damaged cells, a key indicator of breast cancer risk. The study found the AI was far better at predicting risk than current clinical benchmarks, offering improved treatment options for women.
New prostate biopsy technique lowers infection risk
A new prostate biopsy technique, transperineal biopsy, has been shown to lower the risk of infection compared to traditional biopsies. The PREVENT trial found no infections among men who underwent the transperineal procedure, while those with traditional transrectal biopsies had a 1.6% infection rate despite receiving antibiotics.
Research Spotlight: A blood-based assay for the detection of IDH1.R132H-mutant gliomas
A new blood-based assay has been developed to detect IDH1.R132H-mutant gliomas with a high sensitivity of 75.0% and specificity of 88.7%. This minimally invasive test can monitor disease progression and response to treatment without the need for a biopsy.
Telehealth mindfulness-based interventions for chronic pain
Scalable telehealth mindfulness-based interventions show promise in treating chronic pain by improving function and reducing symptoms. The low-resource approach could accelerate the adoption of nonpharmacological pain treatment in healthcare systems.
Precision oncology via artificial intelligence on cancer biopsies
A new AI protocol called DeepHRD enables accurate, instantaneous detection of cancer genomic biomarkers directly from tumor biopsy slides. This breakthrough technology saves weeks and thousands of dollars from clinical oncology treatment workflows, providing access and equity in cancer care for resource-constrained settings.
New research in fatty liver disease aims to help with early intervention
A new study sheds light on fatty liver disease MASH's pathology, revealing T cell activation and growth in response to poor diet. The research holds promise for developing a biomarker test to track disease progression before it's at a late stage.
A new tractor beam technology aims to minimize biopsy trauma
Researchers at the University of Melbourne have developed a compact, high-efficiency metasurface-enabled solenoid beam that can draw particles toward it. The technology has the potential to reduce pain and trauma associated with current biopsy methods.
Electronic prompt for surgeons may reduce breast cancer overtreatment
Researchers developed an electronic health record nudge to remind surgeons about the risks of lymphedema and potential overtreatment. The intervention led to a 49.3% reduction in sentinel lymph node biopsy procedures among eligible patients.
Out-of-pocket medical costs are substantial and rising for privately insured men with abnormal prostate cancer screening results who require further diagnostic testing
Researchers found that out-of-pocket costs for additional tests, including MRI and biopsies, are common and increasing among privately insured men with high PSA results. The median cost rose substantially between 2010-2020, deterring patients from undergoing recommended screening.
Novel liquid biopsy methodology enables the monitoring of disease evolution in patients with metastatic prostate cancer
Researchers developed a novel liquid biopsy technique to monitor disease evolution in metastatic prostate cancer patients. The method analyzes DNA and RNA in circulating extracellular vesicles, capturing tumor genomics and transcriptomic changes.
Novel blood test helps improve cancer treatments
A new liquid biopsy method analyzes gene fragments in the bloodstream to detect and track cancer, enabling oncologists to tailor treatment approaches to individual patients. This non-invasive test can help monitor treatment success, detect cancer recurrence, and improve patient quality of life.
New predictors of metastasis in patients with early-stage pancreatic cancer
Researchers at Weill Cornell Medicine have identified cellular and molecular markers that can predict when pancreatic cancer will spread to the liver or other organs. The study found that patients with early-stage pancreatic cancer who showed signs of immune exhaustion were more likely to develop liver metastases.
Primary hepatic angiosarcoma: Treatment options for a rare tumor
Researchers discuss primary hepatic angiosarcoma, a rare mesenchymal liver tumor, and its poor prognosis compared to hepatocellular carcinoma. Diagnosing PHA is critical due to its similar clinical presentation to HCC.
Drugs for HIV and AIDS trialed as brain tumor treatment for first time
Scientists are conducting a clinical trial to explore the use of anti-retroviral medications Ritonavir and Lopinavir as a potential treatment for brain tumors in patients with Neurofibromatosis 2. The study aims to determine if these drugs can help reduce tumor growth and survival in NF2 patients.
VHIO researchers demonstrate the utility of high-sensitivity liquid biopsy to predict and monitor response to immunotherapy
Researchers demonstrate the utility of analysing circulating tumor DNA (ctDNA) through a high-sensitivity liquid biopsy platform, allowing for early prediction of treatment response and prognosis. The study shows that detecting low levels of ctDNA can predict longer progression-free survival and overall survival.
Scientists push single-molecule DNA sequencing to the next level
Scientists at Gladstone Institutes developed two new tools for single-molecule analysis, slashing the amount of DNA needed by 90 to 95 percent. The SMRT-Tag tool allows researchers to study DNA at single-molecule resolution using as few as 10,000 cells, enabling the analysis of tumor biopsies and other clinically relevant samples.
Long-term outcomes in patients using protocol-directed active surveillance for prostate cancer
Active surveillance for favorable-risk prostate cancer demonstrated to be a safe and effective management strategy, with less than 2% developing metastatic disease. The study found no significant association between delayed treatment during surveillance and worse outcomes.
New research platform assesses brain cancer mutations during surgery
A new surgical platform using mass spectrometry identifies key gene mutations in brain cancer, including IDH mutations, during surgery. This allows for rapid diagnosis, prognosis, and tumor resection to improve patient outcomes.
Breakthrough in cancer prediction with nano informatics and AI
Researchers at The Hebrew University have developed a novel method combining nano informatics and machine learning to predict cancer cell behaviors with high accuracy. This innovative approach enables the rapid identification of cancer cell subpopulations with varying biological behaviors, facilitating personalized medicine.
Study suggests it may be safe to de-escalate surgery in middle-aged breast cancer patients
Researchers found low rates of metastasis and lymph node involvement in post-menopausal patients with early-stage ER+ breast cancer. This suggests that clinical guidelines for de-escalating surgery may be safely extended to younger patients.
Intense ultrasound extracts genetic info for less invasive cancer biopsies #ASA186
Researchers have developed a method to use intense ultrasound to extract genetic information from cells, allowing for the detection of cancer biomarkers in blood samples. This approach could enable earlier detection and treatment of cancer, as well as reduce the need for painful biopsies.