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Pathology

Image: Histopathology of classic medulloblastoma in the brain showing a diffuse pattern of tumor growth with poor cellular differentiation, nuclear molding, and minimal indistinct cytoplasm (Photo courtesy of Adekunle M. Adesina, MD, PhD)

Novel Inherited Mutation Predisposes Children to Medulloblastoma

Cancer genomics has revealed many genes and core molecular processes that contribute to human malignancies, but the genetic and molecular bases of many rare cancers remains unclear. Genetic predisposition accounts for 5% to 10% of cancer diagnoses in children. More...
16 Apr 2020
Image: Touch preparation smears from cases of various forms of lung injury with reactive pneumocytes, illustrating markedly enlarged and highly atypical epithelial cells retaining distinctive Napoleon hat–like shapes (Photo courtesy of Natasha Rekhtman, MD, PhD).

Reactive Pneumocytes Identified by Distinctive Cytology

One of the most challenging and exceedingly common diagnostic dilemmas in pulmonary pathology is the distinction between reactive and neoplastic epithelial atypia. In particular, reactive pneumocytes in various infectious or inflammatory lung diseases can exhibit marked cytological atypia, which can closely resemble malignancy. More...
15 Apr 2020
Image: The 96-capillary 3730xl DNA Analyzer is the Gold Standard for high throughput genetic analysis and used for Sanger sequencing (Photo courtesy of Thermo Fisher Scientific)

Susceptibility Gene Identified for Idiopathic Pulmonary Arterial Hypertension

Idiopathic pulmonary arterial hypertension (IPAH) is a lung disorder characterized by high blood pressure in the pulmonary arteries. In this instance, “idiopathic” means that the cause of the pulmonary artery hypertension is unknown. More...
14 Apr 2020
Image: Histological sections of a moderately well differentiated squamous cell carcinoma of the lung showing infiltrating sheets and tongues of malignant squamous cells with whorls of keratin (Photo courtesy of Department of Health Western Australia).

Liquid Biopsy Lung Cancer Screening Method Developed

Genomic blood tests for cancer screening and early detection have become the focus of attention in the molecular diagnostic space, though most activity so far has been either toward pan-cancer screening tools, or in a few other specific tumor types like colorectal cancer, where tests hope to vie against colonoscopy and existing stool-based methods. More...
09 Apr 2020
Image: Photomicrograph of a vaginal epithelial clue cell coated with Gardnerella vaginalis (Photo courtesy of Universidad Autónoma de Zacatecas).

Potential Microbial Markers Identified for Cervical Pre-Cancer Progression

Human papillomavirus (HPV) infection is one of the most common sexually transmitted infections. However, only a small percentage of high-risk (HR) HPV infections progress to cervical pre-cancer and cancer. The role of the cervicovaginal microbiome (CVM) in the natural history of HR-HPV has been investigated. More...
08 Apr 2020
Image: The cobas Epidermal Growth Factor Receptor (EGFR) gene Mutation Test v2 (Photo courtesy of Roche).

Early Prediction of Resistance to Tyrosine Kinase Inhibitors Reported

 Epidermal growth factor receptor (EGFR) gene mutations that confer sensitivity to tyrosine kinase inhibitors (TKI) in non-small cell lung carcinomas paved the way for a precision medicine approach in this neoplastic form. More...
31 Mar 2020
Image: Schematic diagram of a urine score for noninvasive accurate diagnosis and prediction of kidney transplant rejection study (Photo courtesy of the University of California, San Francisco).

Urine-Based Kidney Transplantation Rejection Risk Assay Launched

 For kidney transplant recipients, prompt and accurate detection of transplant rejection is vital for timely intervention. Unfortunately, the gold standard for diagnosis of rejection is kidney biopsy, an invasive procedure. More...
30 Mar 2020
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The Pathology channel details advances in the field of Surgical Pathology and all its subspecialties, including Cytopathology and its subspecialties.