leptomeningitis


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leptomeningitis

 [lep″to-men″in-ji´tis]
inflammation of the leptomeninges.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

lep·to·men·in·gi·tis

(lep'tō-men'in-jī'tis),
Inflammation of leptomeninges.
See also: arachnoiditis.
Synonym(s): pia-arachnitis
Farlex Partner Medical Dictionary © Farlex 2012

leptomeningitis

Neurology Inflammation of the pia and arachnoid membranes of the brain and spinal cord
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.

lep·to·men·in·gi·tis

(lep'tō-men'in-jī'tis)
Inflammation of leptomeninges.
See also: arachnoiditis
Synonym(s): pia-arachnitis.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

leptomeningitis

Inflammation of the two fine inner layers of the MENINGES, the PIA and ARACHNOID maters.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005
References in periodicals archive ?
Caption: Figure 3: (a) Chronic leptomeningitis with giant cells.
Aseptic leptomeningitis (20%) was the most common finding in the 281 neuropathology autopsies reviewed, followed by HIV encephalitis (15%) (Table 5).
Microscopic view of biopsied specimen showed leptomeningitis with plasma cells and lymphocytes infiltration.
Leptomeningitis and encephalomyelitis were cardinal features in these animals (Figure 3, panels C and D).
Histopathologic examination of brain and spinal cord showed mild nonsuppurative lesions, leptomeningitis, and encephalomyelitis.
CSF examination confirmed persistent pleocytosis with low glucose and elevated protein levels, and CT images indicated leptomeningitis. A 4-day culture of CSF on chocolate agar showed brownish colonies 1-2 mm in diameter.
Samples from her brain tissue showed lymphocytic leptomeningitis with widespread perivascular cuffing by lymphocytes and plasma cells within the cortex and white matter (Figure 3).
Pathologic findings are a hemorrhagic leptomeningitis with edema and inflammatory infiltrates (2,23).