leptomeninges


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leptomeninges

[¦lep·tō·mə′nin·jēz]
(anatomy)
The pia mater and arachnoid considered together.
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References in periodicals archive ?
Gram-staining of brain and skin tissue (examination performed at CDC) showed gram-negative cocci and gram-positive bacilli in leptomeninges and vascular lumens.
Postmortem diagnosis of invasive meningococcal disease
Whereas secondary CNS lymphoma more commonly involves the leptomeninges, primary CNS lymphoma may present as a parenchymal lesion not shedding malignant cells into the CSF.
Utility of flow cytometry of cerebrospinal fluid as a screening tool in the diagnosis of central nervous system lymphoma
Infiltration of the leptomeninges by systemic cancer.
Hodgkin's lymphoma with leptomeningeal involvement / Leptomeningeal Tutulumlu Hodgkin Lenfoma
These lymphomas frequently involve the leptomeninges (Figure 3), bone marrow (Figure 4) and peripheral blood.
Differentiating HIV-associated non-Hodgkin's lymphomas with similar plasmacellular differentiation
Secondary CNS spread of systemic lymphoma occurs more commonly to the leptomeninges, particularly to the spinal cord, presenting with spinal cord compression syndromes.
Primary central nervous system lymphoma: an unusual presentation
This is also known as meningeal carcinomatosis, and can be caused by primary neuro ectodermal tumours such as neuroblastoma, tumours of the haemopoietic system such as lymphoma, or solid tumours metastasizing to the leptomeninges (e.
An unusual fluid. The advantages of cross discipline training
Durante a fase aguda da infecção com comprometimento do SNC, descrevem-se encefalomielite com a presença de parasitas, lesões degenerativas com proliferação glial, hemorragia e infiltração linfocitária perivascular e das leptomeninges (Pittella, 1993).
Alteracoes morfologicas do sistema nervoso central induzidas em camundongos por Trypanosoma cruzi
Individual chapters address areas such as the neuroimmunomodulatory role of nerve growth factor in airway inflammation, antiglycolipid antibodies in autoimmune neuropathies, age-dependent differential activation profiles of glial cells by the leptomeninges during systemic inflammation, and the dual role of nitric oxide in astrocyte survival and death.
Neuroimmunology research focus
Leptomeningeal involvement--the presence of tumor cells in the leptomeninges or cerebrospinal fluid (CSF)--is the usual path of involvement after leukemia has invaded the central nervous system (CNS).
Intracerebral granulocytic sarcoma
Brain malformations are very similar to those reported in WWS and MEB and include cerebral and cerebellar micropolygyria, hydrocephalus, fibroglial proliferation of the leptomeninges, focal interhemispheric fusion, and hypoplasia of the corticospinal tracts (154, 155).
Mechanisms in protein O-glycan biosynthesis and clinical and molecular aspects of protein O-glycan biosynthesis defects: a review
Primary leptomeningeal melanomatosis is a rare variant of malignant melanoma of the central nervous system that arises directly from the melanocytes within the leptomeninges.
Cognitive decline in an elderly hospitalized patient with primary leptomeningeal melanomatosis
Neoplastic meningitis refers to the multifocal seeding of metastatic malignant cells along the leptomeninges of the central nervous system.
Spartaject Busulfan Phase I Trial in Patients with Neoplastic Meningitis Begins at Duke University Medical Center

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