Primary lung cancers detected by LDCT are at lower risk of brain metastases

Patients with primary lung cancer detected using low-dose computed tomography screening are at reduced risk of developing brain metastases after diagnosis, according to a study published in the Journal of Thoracic Oncology. The researchers, led by Summer Han, Ph.D., from Stanford University School of Medicine in Palo Alto, Calif., used the National Lung Screening Trial data to identify 1502 participants […]

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A Lung Doctor Explained the Science of the Covid \u2018Lab Leak\u2019 Theory

Mike Hansen, MD, a certified specialist in pulmonary disease, internal medicine and critical care, has been making YouTube videos throughout Covid to dispel medical misinformation and clarify the facts surrounding coronavirus. In his most recent post, he addresses a somewhat controversial belief—that the original breakout was the result of the virus escaping a laboratory in China—which was recently supported by […]

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Second drug targeting KRASG12C shows benefit in mutated non-small-cell lung cancer

Clinical activity with a second drug inhibiting KRASG12C confirms its role as a therapeutic target in patients with advanced non-small-cell lung cancer (NSCLC) harboring this mutation, according to results from a study with the KRASG12C inhibitor adagrasib reported at the European Lung Cancer Virtual Congress 2021. “As we strive to identify the oncogenic driver in more and more of our […]

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Jet fuel was in the vet’s lung but he can’t get full benefits

This is a Kaiser Health News story. The lungs Bill Thompson was born with told a gruesome, harrowing and unmistakable tale to Dr. Anthony Szema when he analyzed them and found the black spots, scarring, partially combusted jet fuel and metal inside. The retired Army staff sergeant had suffered catastrophic lung damage from breathing incinerated waste burned in massive open-air […]

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New defense against viral lung infections discovered

Researchers have uncovered a previously unknown arm of the immune defense system that protects the lung from lethal viral infections. Respiratory diseases caused by viruses such as influenza A and SARS-CoV-2 cause damage not just through their own actions, but also from collateral damage as the immune system reacts to fight the infection. A timely and proportionate response identifies viruses, […]

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Immune cell implicated in development of lung disease following viral infection

Scientists at Washington University School of Medicine in St. Louis have implicated a type of immune cell in the development of chronic lung disease that sometimes is triggered following a respiratory viral infection. The evidence suggests that activation of this immune cell—a type of guardian cell called a dendritic cell—serves as an early switch that, when activated, sets in motion […]

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Lung Cancer Pathogenesis

The pathogenesis of lung cancer is initiated the either by the activation of oncogenes or the inactivation of tumor suppressor genes, which leads to uncontrolled replication and growth of the cells in the lungs. There are several factors that may lead to these genetic mutations and they may be inherited from parents or acquired by exposure to carcinogens. Image Credit: […]

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Potential New Metabolic Biomarkers of Lung Cancer Identified with Magnetic Resonance Spectroscopy

Researchers at Massachusetts General Hospital (MGH) have successfully identified metabolic biomarkers able to determine between the different major subtypes of lung cancer and distinguish the stage of lung cancer. Image Credit: Create Jobs 51/Shutterstock.com In a paper published in Scientific Reports last July, the team describes how they used the technique of magnetic resonance spectroscopy to identify these new biomarkers […]

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