Articles tagged with Pathology
A study of 4,819 women with benign breast disease found an increased risk of breast cancer compared to the general population. The study's findings suggest that pathologic classifications could improve breast cancer risk stratification.
A new study finds that analyzing surgical lymphatic fluid for HPV DNA can predict cancer recurrence and guide treatment decisions. The test was found to be more sensitive than traditional methods, detecting high-risk patients who may be missed by standard tools.
A study of 103,000 early-stage breast cancer patients reveals a significant racial disparity in chemosensitivity and survival rates. Black patients are more likely to experience residual disease after neoadjuvant chemotherapy, leading to a higher mortality risk.
A study published in The Lancet Neurology found that monitoring brain injury biomarkers and glucose variation over the first week of hospitalization can provide a more accurate picture of the pathological process. This allows for division into different groups with distinct disease trajectories and prognoses, enabling personalized trea...
Researchers analyzed a World Mosquito Program trial and found that excluding transmission dynamics likely underestimates the impact of Wolbachia-infected mosquitoes. The study suggests that true efficacy may be higher than initially reported, with potential reductions in dengue fever cases ranging from 77% to 94-97%.
Researchers found that Wolbachia pientis infection restores fruit fly fertility, enabling them to produce more offspring than uninfected flies. This discovery has significant implications for controlling insect populations and range, potentially increasing mosquito populations that do not carry human diseases.
The Association for Molecular Pathology published guidelines for validating and reporting clinical circulating tumor DNA assays. The recommendations aim to promote standardization and quality improvement in liquid biopsy assays, which have emerged as a key technology in molecular diagnostics.
The American Phytopathological Society has created a new series of distinguished reviews in honor of Harold H. Flor, who developed the gene-for-gene concept in plant pathology. The series presents authoritative reviews on molecular plant-microbe interactions, providing a historical perspective and future directions for research.
A new generative AI model enhances clinical accuracy and textual quality of chest radiograph reports, surpassing traditional methods like teleradiology. Its implementation could enable timely alerts for life-threatening conditions, aiding imaging interpretation and documentation.
A UCLA-led team has discovered the nerve supply that activates brown adipose tissue, a potential key to treating obesity. The study found nerve branches in all eight cadavers dissected, which may lead to using nerves to stimulate BAT activity for weight loss.
A new study found three genes strongly linked to vegetarianism, including those involved in lipid metabolism and brain function. The study suggests that genetics play a role in determining whether someone can stick to a strict vegetarian diet.
Researchers unveil a groundbreaking MRI technology that non-invasively assesses brain iron homeostasis, shedding light on its role in normal brain function, aging, and disease. The technology offers sensitivity to changes in iron mobilization capacity and can differentiate between tumor tissue and healthy tissue.
A new blood-based test called p-tau217 has shown great promise in identifying Alzheimer's disease by stratifying patients into low, intermediate, and high-risk groups. The two-step workflow reduces the need for confirmatory testing in uncertain cases.
A study of 1.3 million people found that those with hospital-treated depression have a high risk of developing conditions like bipolar disorder, schizophrenia, and anxiety disorders. Genetic analysis also revealed a link between depression and reduced cognitive abilities, such as abstract thinking and mental flexibility.
A case series reveals that young brain donors with a history of repetitive head impacts exhibit severe symptoms, which may be caused by multiple factors. Further research is needed to clarify the association between exposure to head impacts and clinical symptoms in young athletes.
Researchers found a high incidence of systemic amyloidosis in Japanese squirrels, characterized by severe glomerular amyloid deposition. The study suggests that fibrinogen Aα-chain is a precursor protein and the amino acid sequence plays a crucial role in maintaining protein stability.
A new study highlights the difficulty in diagnosing blood disorders like myelodysplastic syndromes/neoplasms (MDS), which can lead to treatment mistakes. The researchers found that expert pathologists disagreed with local pathologists' diagnoses in about 20% of cases, leading to wrong initial treatments for patients.
In a phase 3 clinical trial, donanemab significantly slowed clinical progression in patients with low/medium tau and high tau pathology. The treatment cleared brain amyloid plaque, demonstrating its potential to slow Alzheimer disease progression.
Researchers at University of California San Diego find that impaired mitochondria, not inflammation, drive Gulf War illness symptoms, potentially leading to new treatment strategies. The study's findings have implications for other health conditions marked by increased inflammation.
Professor Coppedè's appointment aims to enhance the journal's focus on cutting-edge genomics research, covering topics like genome sequencing and functional genomics. He will lead Current Genomics to greater success by staying at the forefront of genomics discoveries and advancements.
The Association for Molecular Pathology has published clinical CYP3A4 and CYP3A5 genotyping assay recommendations to standardize testing across laboratories. The guidelines aim to improve patient care by providing guidance on allele selection, assay validation, and therapeutic recommendations.
A multicenter study found that deep learning-based computer-aided diagnosis significantly improved radiologists' diagnostic performance for breast lesion classification on ultrasound. The use of CAD resulted in a 6.0% upgrade of BI-RADS category 3 assessments to category 4A, with 16.7% being malignant.
A new paper by Robert K. Naviaux outlines the array of processes that drive healing and whose dysfunction underlies chronic illnesses like diabetes and autism. The cell danger response is triggered by exposure to threats, but persists even after the threat is gone, causing inflammation and cell dysfunction.
A study presented at the ARRS Annual Meeting reveals institutional variability in projection order and image acquisition timing for CEM protocol. Earlier-obtained recombined imaging is significantly preferred for cancer lesion characterization, with a trend towards prioritizing imaging the side of pathology.
Researchers develop a new technique to measure blood attenuation using a fluorophore-coated guidewire, improving the accuracy of near-infrared fluorescence in cardiovascular imaging. The method provides accurate information on vessel walls and outperforms existing correction methods.
Researchers identified a technique to detect abnormal protein deposits linked to Parkinson's disease, confirming its accuracy for early detection and characterisation. The α-synuclein seed amplification assay (αSyn-SAA) can identify people with Parkinson's disease and at-risk individuals prior to diagnosis.
This study of 690 patients with early-stage breast cancer found racial disparities in pathological complete response to neoadjuvant chemotherapy, affecting survival outcomes. Racial disparities varied across different breast cancer subtypes and highlight the importance of understanding tumor biology.
The new test helps detect new HIV infection and follows current guidelines for testing patients on HIV prevention medication. The study identified successful efforts and opportunities for process improvement during the first three months of implementation.
A new machine learning model combines fusion gene profiling, serum PSA level, and Gleason score to predict prostate cancer recurrence with improved accuracy. The model outperformed clinical data alone and provided valuable insights into the mechanism of disease progression.
Ultrafast MRI provides beneficial information for predicting DCIS upgrade to invasive cancer, including time to enhancement and lesion size. A study found that UF-MRI can accurately predict lesions diagnosed as DCIS at percutaneous biopsy that will be upgraded to invasive cancer at surgery.
Researchers evaluate an integrated NGS system, delivering accurate diagnoses in under 24 hours and expanding targeted treatments available to patients with myeloid neoplasms. The assay identified 80-92% of genetic variants, demonstrating promising results for accelerating precision therapies.
A study found that unintentional weight loss in people with Down syndrome coincides with brain changes associated with Alzheimer's disease, indicating it could be an early predictor. The researchers suggest that weight loss may be a useful tool for making an earlier diagnosis.
Researchers found that measles virus mutations in its fusion protein allow it to infect nerve cells, leading to subacute sclerosing panencephalitis. The team's discovery sheds light on the evolutionary mechanisms of viruses like coronaviruses and herpesviruses.
Researchers at Tokyo University of Agriculture and Technology discovered a novel amyloid protein, α-S1 casein, which can cause disease in humans. The study found that overexpression and N-terminal truncation of α-S1-casein led to its formation as an amyloid protein.
Researchers developed a multimodal imaging-based tool, the active biopsy guidance system (ABGS), to improve oral cancer diagnosis. The ABGS provides clinically actionable direct visible guidance for biopsies, enhancing precision and potentially saving lives.
A recent study published in PLOS ONE reveals the discovery of 92 fossilized egg nests belonging to titanosaurs, some of India's largest dinosaurs. The finds provide insights into the reproductive habits and nesting behaviors of these prehistoric creatures, shedding light on their lives shortly before they went extinct.
Research from Brigham and Women's Hospital found that genetic analysis can identify up to 65% more A2 donors, increasing potential kidney transplants for recipient candidates with blood type B. This could improve availability and equity in kidney transplantation.
A new classification system, MPATH-Dx Version 2.0, has been developed to simplify diagnoses of melanocytic skin lesions. The system categorizes lesions into four classes, providing guidance on treatment and surveillance for patients.
A new AI tool developed by Brigham and Women's Hospital improves the accuracy of time-critical pathology diagnostics during surgery. The tool, which leverages deep-learning technology, translates frozen tissue samples into high-quality images, increasing diagnostic accuracy and reducing the need for lengthy laboratory tests.
A recent study found that adults who receive chiropractic spinal manipulation for low back pain are less likely to undergo discectomy over two years. The study, published in BMJ Open, used real-world data and controlled for variables such as age and smoking.
The Association for Molecular Pathology (AMP) published a report assessing the clinical adoption, classification inconsistencies, and implementation barriers of the 2017 guidelines for sequence variant interpretation and reporting in cancer. The study found that 86% of participants correctly differentiated clinically significant varian...
A study published in the American Journal of Roentgenology found that reconstruction using BI64 kernel and 0.4-mm slice thickness yielded improved bronchial division identification and pulmonary fissure sharpness without loss in pulmonary vessel sharpness or pathology conspicuity.
A nationwide retrospective study showed that adjuvant chemotherapy after neo-adjuvant chemotherapy and surgery significantly improved overall survival in patients with pancreatic adenocarcinoma, regardless of lymph node status or resection margins. The study included nearly 900 patients and was published in JAMA Oncology.
Researchers review myeloid-derived suppressor cells' phenotypes, mechanisms of immunosuppression, and roles in cancer treatment. Studies on non-malignant diseases, such as autoimmune disorders and obesity, are lacking, highlighting the need for further investigation.
A new Hikikomori Questionnaire has been developed to identify individuals with pathological social withdrawal at an earlier stage. The questionnaire evaluates socialization, isolation, and emotional support on a scale of 0-4, providing a tool for early detection and treatment of hikikomori.
Researchers from Tokyo Metropolitan University identified optimal sedatives and anesthetics for studying marmoset brains at rest, preserving the resting state network. The study suggests a more realistic solution for accurate data, with Midazolam or Dexmedetomidine combined with light restraint being the most effective option.
Researchers evaluated modified CEUS using perfluorobutane for diagnosing hepatocellular carcinoma in high-risk patients. The study found no significant difference in sensitivity, specificity, or accuracy between modified CEUS and CT/MRI LI-RADS v2018.
Researchers at Eötvös Loránd University developed two tests to assess age-related memory performance and neophobia differences in dogs. The memory test found that older dogs make more mistakes before finding food, while the novel object test revealed an increased tendency to avoid new objects with age.
Researchers have discovered a new gene, Schlafen11 (SLFN11), which correlates with chemotherapy response in medulloblastoma. The study's findings suggest SLFN11 can help improve treatment outcomes by increasing sensitivity to cisplatin.
Idiopathic plasmacytic lymphadenopathy (IPL) has been confirmed as a distinct clinicopathologically uniform disease, which can be reclassified into an independent subtype of idiopathic multicentric Castleman disease (iMCD). IPL showed greater plasmacytosis and hyperplastic germinal centers compared to non-IPL groups.
A new UCLA-led study found comprehensive brain-wide changes in individuals with autism spectrum disorder, refining scientists' understanding of how the condition progresses. The study analyzed gene expression across 11 cortical regions, revealing strong evidence that RNA changes in the brain are likely the cause of ASD.
A recent study published in BME Frontiers developed an AI-based approach that rapidly transforms autofluorescence images into virtual histological images for accurate HER2 assessment. This computational staining process takes only a few minutes per sample and does not require expensive facilities or toxic chemicals.
A deep learning algorithm trained on adult populations shows improved sensitivity for diagnosing thyroid nodules in children, with higher accuracy than traditional ACR TI-RADS. The study suggests the potential benefits of this new approach for evaluating thyroid nodules in younger patients.
A new study in The American Journal of Pathology found that inhibiting neuropilin 2 in smooth muscle can enhance contraction and motility of the distal colon. This could provide opportunities to regulate smooth muscle activity in patients with colonic disorders.
The HOMED project developed a full panel of scientific knowledge and practical solutions for managing emerging native and non-native forest pests and pathogens threatening European forests. The project's results include over 60 scientific publications, policy briefs, practice abstracts, educational videos, and tools.
A new AI algorithm, SISH, uses self-supervised learning to find similar cases in large pathology image repositories, assisting with the diagnosis of rare diseases. The algorithm outperforms other methods in retrieving interpretable disease subtype information from vast databases, even at large scales.
A Kessler Foundation study found a relationship between rate of cognitive fatigue in MS and microstructural brain changes, particularly in white matter tracts and basal ganglia. The study's findings hold promise for advancing clinical interventions for disabling fatigue.
The analysis found that inadequate margin widths may result in higher risks of distant recurrence and breast cancer mortality, as well as increased local recurrence. The researchers recommend a minimum tumour free distance of 1mm from the margin for optimal oncological outcomes.
Researchers developed an algorithm to identify different regions within tumors using nearly 6,500 digital slide images. The algorithm can predict recurrence-free survival and help guide therapy for patients with colon cancer.
The Association for Molecular Pathology has published consensus recommendations for clinical TPMT and NUDT15 genotyping assays, promoting standardization across laboratories. The report identifies a minimum set of alleles to include in clinical tests, enabling healthcare professionals to provide high-quality patient care.