leptomeninges

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leptomeninges

[¦lep·tō·mə′nin·jēz]
(anatomy)
The pia mater and arachnoid considered together.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
In contrast to DSA, non-invasive techniques have a limited resolution in the assessment of leptomeningeal or other secondary collaterals [8].
In the reported patient, leptomeningeal thickening, cortical calcification, and atrophy in the left temporoparietooccipital region were found.
Postcontrast MRI axial T1 (A), GRE sagittal (B), GRE axial (C), and GRE coronal (D) images show diffuse leptomeningeal enhancement, enhancing basal exudates and high biparietal epidural fluid collection (white arrow) with cerebritis.
(b) Axial T1 + gadolinium: ring- enhancing lesions and absent leptomeningeal enhancement.
Magnetic resonance imaging of the brain and spine showed scattered areas of restricted diffusion throughout the brain parenchyma, leptomeningeal enhancement, and multifocal nodular enhancement along the ventral portion of multiple spinal levels.
The third cohort--a small group of 15 patients who received nivolumab alone--either had symptomatic brain metastases or leptomeningeal disease and could have had previous brain surgery or radiotherapy.
(9) Ophthalmoplegia with normal MRI may occur via paraneoplastic encephalomyelitis and leptomeningeal metastasis (lymphomatous meningitis).
A lumbar puncture performed revealed normal CSF cell count, protein 227 mg/dL, and glucose 24 mg/dL; cytopathology was positive for atypical mononuclear cells confirming leptomeningeal involvement.
Figure 2B details subtle leptomeningeal enhancement overlying the right frontal, parietal, and temporal lobes without intra- axial enhancement.
The antibody aimed at refractory leptomeningeal tumour neuroblastoma and diffuse intrinsic pontine glioma, is a potential breakthrough treatment for paediatric patients.
Eve's grandson, Dominic Halliwell, of Low Fell in Gateshead, was just over two months old when he was diagnosed with disseminated leptomeningeal glioneuronal tumour, an incredibly rare form of cancer.
Sometimes grayish black pigmentation is seen because of the colonization of the hyperplastic leptomeningeal melanocytes.