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Mar 28, 2023 · Leptomeningitis, which is more commonly referred to as meningitis, represents inflammation of the subarachnoid space (i.e. arachnoid mater and pia mater ) caused by an infectious or noninfectious process.
Mar 20, 2024 · Viral encephalitides are the result of brain parenchymal infection by a number of different viruses, many of which have similar presentations and imaging features. Specific diagnosis often requires PCR.
Jun 13, 2022 · Primary amoebic meningoencephalitis, also known as naegleriasis, is a rare and usually fatal acute CNS infection caused by the free-living amoeba Naegleria fowleri.
MRI sensitivity for HSV encephalitis decreased after 10 days from symptom onset: 100% (95% CI: 5–100) at Day 0–2, 100% (95% CI: 31–100) at Day 3–10, and 75% (43–93) after Day 10 (Fig 3). Three HSV encephalitis patients with serial MRI examinations had early images that were characteristic of HSV encephalitis.
Viral encephalitis by definition is the result of human virus affecting the brain and sparing the meninges. The other nervous system manifestations are meningitis, meningoencephalitis, encephalomyelitis, and encephalomyeloradiculitis.
Summary: Primary amebic meningoencephalitis and granulomatous amebic meningoencephalitis are central nervous system infections caused by free-living amebae. We describe the neuroimaging findings in 5 such cases on CT and MR imaging.
Oct 7, 2019 · The infections caused by these pathogens often show a variety of neuroimaging patterns that can be identified at CT and MRI, and radiology is central to the diagnosis and follow-up of such conditions.
Feb 15, 2019 · Meningoencephalitis describes any process that results in the inflammation of both the meninges and the brain parenchyma. Underlying triggers for the development of meningoencephalitis can be infectious, autoimmune, vasculitic, neoplastic, or metabolic in origin....
Jan 11, 2017 · The host response to viral infection of the CNS is responsible for the pathophysiology and imaging findings seen in affected patients. Viral CNS infections can take the form of meningitis, encephalitis, encephalomyelitis, or, when involving the spinal cord and nerve roots, encephalomyeloradiculitis.
Jan 22, 2016 · Clinical Presentation. The classic clinical features of meningitis include headache, neck stiffness, pyrexia, vomiting, and photophobia, followed by mental status changes. The definitive diagnosis is made by culture from blood or cerebrospinal fluid (CSF). Pathophysiology.
