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Clinical Report: Tarlov/Meningeal Cysts, Spinal Stenosis, Chiari 1 Malformation, and Chronic Pain Experience — Clinical Correlation with MRI Findings

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When Pain Becomes Unbearable and Symptoms Spread Understanding the MRI Findings, Nerve Irritation, Sacral Pain, and the Reality of Chronic Spinal Disease This reflects a personal experience of living with chronic spinal pain and nerve irritation associated with lumbar degeneration, postoperative changes, foraminal stenosis, facet arthropathy, and sacral nerve sensitivity. Chronic spinal pain is rarely caused by a single abnormality. In many patients, especially those with prior lumbar surgery, degenerative spinal disease, foraminal narrowing, facet arthropathy, nerve inflammation, and sacral cysts, the pain experience becomes layered, complex, and physically exhausting. Symptoms may evolve slowly over years until ordinary activities — sitting, standing, walking, bending, or even resting — begin triggering severe discomfort. The MRI findings described here illustrate a spine affected by multiple interacting conditions involving mechanical instability, nerve compression, postoperative ...
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How SARS-CoV-2, Hantaviruses, Zika virus, and Other Pathogens Hijack Extracellular Vesicles to Invade the Brain and Drive Neuroinflammation

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Over recent years, research has revealed a more indirect and sophisticated way that viruses influence the nervous system. Rather than relying solely on direct infection, multiple viruses exploit extracellular vesicles (EVs)—small, membrane-bound particles naturally used for cell-to-cell communication—to spread viral material, evade immune defenses, and trigger inflammation. This EV-mediated mechanism provides a compelling explanation for neurological symptoms seen during acute infections and in post-viral syndromes such as long COVID. Extracellular Vesicles: A Double-Edged Sword Extracellular vesicles are essential for normal biological communication. Cells use them to transport proteins, lipids, and RNA between one another. However, many pathogens—including SARS-CoV-2 and Zika virus—co-opt this system. Evidence shows that infected cells release EVs containing viral RNA, proteins, and sometimes intact viral particles. These vesicles function as stealth carriers: They shield viral...
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