leptomeningeal


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Related to leptomeningeal: leptomeningeal cyst, Leptomeningeal carcinomatosis

lep·to·me·nin·ge·al

(lep'tō-mĕ-nin'jē-ăl),
Pertaining to the leptomeninges.

lep·to·me·nin·ge·al

(lep'tō-mĕ-nin'jē-ăl)
Pertaining to the leptomeninges.

leptomeninges

(lep?to-men-in'jes) leptomeninx [? + meninx, membrane]
The pia mater and arachnoid as distinct from the dura mater.
Synonym: pia-arachnoidleptomeningeal, adjective

leptomeningeal

Pertaining to the two soft inner layers of membrane that surround the brain, the PIA MATER and the ARACHNOID MATER, but not the DURA MATER.
References in periodicals archive ?
Takeuchi H, Hashimoto N, Kitai R, Kubota T: A Report of Supratentorial Leptomeningeal Hemangioblastoma and a Literature Review.
Papillary tumor of pineal region presenting with leptomeningeal seeding.
Prenatal exposure to ethanol induces leptomeningeal heterotopia in the cerebral cortex of the rat fetus.
On contrast-enhanced CT there is diffuse enhancement of the basal subarachnoid cisterns and occasionally of the tentorium and sylvian fissures, but contrast-enhanced MRI is more sensitive in detecting leptomeningeal enhancement [28].
This is superior to CT-myelography in paediatric cases of leptomeningeal metastases from intracranial tumours.
A lumbar puncture was done to evaluate for presence of leptomeningeal involvement of leukemia.
Key Words: altered mental status, primary leptomeningeal melanomatosis
Beta-glucuronidase -- A normal enzyme occurring abnormally in CSF in leptomeningeal carcinomatosis.
Marc Chamberlain, MD -- Professor of Neurology, University of Washington, a world renowned neuro-oncologist, well known for his work on leptomeningeal carcinomatosis.
Serial cerebral computed tomography and magnetic resonance imaging scans showed development of an asymmetric hydrocephalus and diffuse leptomeningeal and subependymal contrast enhancement, especially around the brainstem, without signs of intracerebral mass lesions (online Technical Appendix Figure).
The sites of metastatic disease also seem to differ, with first metastases more common in lungs and a higher rate of central nervous system and leptomeningeal metastases [9,13,15].