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Related to leptomeninges: meningitis, pachymeninges, Leptomeningeal carcinomatosis
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Noun1.leptomeninges - the two innermost layers of the meninges; cerebrospinal fluid circulates between these innermost layers
meninges, meninx - a membrane (one of 3) that envelops the brain and spinal cord
arachnoid, arachnoid membrane - the middle of the 3 meninges
pia mater - the highly vascular innermost of the 3 meninges


n. leptomeninges, las membranas más finas del cerebro; la piamadre y la aracnoide.
References in periodicals archive ?
Neurocutaneous melanosis is characterized by the presence of congenital melanocytic nevi on the skin and melanocytic tumors in the leptomeninges of the central nervous system.
25) Abnormal enhancement may extend inferiorly along the leptomeninges surrounding the spinal cord and spinal nerves, potentially causing arachnoiditis and subarachnoid block20 (Figures 13,14).
Positivity was intense in choroid plexus cells, inner and outer glia limitans, and leptomeninges and was moderate in ependymocytes and the perivascular endfeet.
Microscopically, there were hyphae in sections of the brain abscesses as well as in the leptomeninges, liver, and lung.
Meningeal carcinomatosis is the tumoral invasion of the leptomeninges.
The only substantial internal finding was a thin layer of purulent exudate on the leptomeninges.
2] The PVS dilatation reflects impairment of CSF re-absorption owing to accumulation of GAGs in the vacuolated gargoyle cells [3] of the leptomeninges.
Non-Hodgkin lymphoma may involve the CNS either by forming intraparenchymal masses or, more commonly, by infiltrating the leptomeninges.
The most common cancers to involve the leptomeninges are breast cancer, lung cancer, and melanomas.
As such, herein we present an HI patient with involvement of the leptomeninges.
It is a form of angiopathy in which A[beta] protein deposits in the walls of the blood vessels of leptomeninges and gray matter of the cerebral cortex.
The leptomeninges and brain were hyperemic in all cases, four brains demonstrated diffuse leptomeningeal hemorrhages, and five had intracerebral hemorrhages.