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Pathology

Clinical Validation Bolsters Liquid Biopsy Evidence Base

Non–small-cell lung cancer (NSCLC) accounts for more than 85% of lung cancer – the majority of patients who present have advanced-stage disease and are treated with systemic therapies. More...
15 May 2019
Image: EndoPredict is a second-generation breast cancer recurrence test for highly accurate assessment of 10-year risk of distant recurrence (Photo courtesy of Myriad Genetics).

Breast Cancer Test Determines Most Effective Treatment

For the clinical management of patients with estrogen receptor (ER)-positive breast cancer, several clinico-pathological and molecular characteristics of the tumor have to be considered for prognosis and treatment decisions. More...
14 May 2019
Image: A photomicrograph showing tumor-infiltrating lymphocytes in a case of colorectal cancer with evidence of high microsatellite instability (MSI-H) on immunostaining (Photo courtesy of Nephron).

Biomarker Predicts Appropriate Immunotherapy for Cancer Patients

Microsatellite instability (MSI) is a hypermutable phenotype caused by the loss of DNA mismatch repair activity. MSI is detected in about 15% of all colorectal cancers; 3% are of these are associated with Lynch syndrome. MSI is a biomarker for response to immune checkpoint inhibitors (ICPIs). More...
14 May 2019
Image: A photomicrograph of human papilloma virus associated oropharyngeal cancer. The tissue has been stained to show the presence of the virus by in situ hybridization (Photo courtesy of Jennifer L. Hunt, MD).

Oral HPV-DNA Persists after Oropharyngeal Cancer Treatment

Head and neck cancers affect some 53,000 people in the USA each year, according to the National Cancer Institute, and human papilloma virus (HPV) has been implicated in many of those cases. The diagnosis of cancer can be confirmed by tissue biopsy. More...
14 May 2019
Image: Nodular glomerulosclerosis in the kidney of a patient with diabetic nephropathy; the acellular light purple areas within the capillary tufts are the destructive mesangial matrix deposits (Photo courtesy of the CDC).

Blood Protein Signature Reported for Diabetic Kidney Disease

Diabetic nephropathy or diabetic kidney disease (DKD), is a result of vascular abnormalities that accompany diabetes and increases mortality risk. Furthermore, diabetes mellitus is a main risk factor for end-stage renal disease, the most advanced stage of kidney disease. More...
09 May 2019
Image: The blood test by Natera detects breast cancer relapses (Photo courtesy of the University of Leicester).

Personalized Detection of ctDNA Antedates Breast Cancer

Breast cancer is one of the most commonly diagnosed cancers worldwide and the second leading cause of cancer-related deaths in women. The current standard of care for women with primary (non-metastatic) breast cancer is surgery, often followed with adjuvant therapy to eliminate microscopic minimal residual disease (MRD). More...
01 May 2019
Image: A graphic representation of Strain- and Species-Level Variation in the Microbiome of Diabetic Wounds Is Associated with Clinical Outcomes and Therapeutic Efficacy (Photo courtesy of the University of Pennsylvania).

Certain Bacteria Strains Associated with Diabetic Wounds

About 10% of Americans have been diagnosed with diabetes, and one quarter of these patients will develop a wound that does not heal. In the worst case outcome, which occurs in up to 25% percent of these wound-developing patients, the wounds will require an amputation. More...
01 May 2019
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The Pathology channel details advances in the field of Surgical Pathology and all its subspecialties, including Cytopathology and its subspecialties.