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Arachnoiditis MeSH Descriptor Data 2025


MeSH Heading
Arachnoiditis
Tree Number(s)
C10.586.625.097
Unique ID
D001100
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D001100
Scope Note
Acute or chronic inflammation of the arachnoid membrane of the meninges most often involving the spinal cord or base of the brain. This term generally refers to a persistent inflammatory process characterized by thickening of the ARACHNOID membrane and dural adhesions. Associated conditions include prior surgery, infections, trauma, SUBARACHNOID HEMORRHAGE, and chemical irritation. Clinical features vary with the site of inflammation, but include cranial neuropathies, radiculopathies, and myelopathies. (From Joynt, Clinical Neurology, 1997, Ch48, p25)
Entry Term(s)
Arachnoid Membrane Inflammation
Inflammation, Arachnoid Membrane
NLM Classification #
WL 200
Previous Indexing
Brain Diseases (1966)
Meningitis (1966)
Public MeSH Note
1967
History Note
1967
Date Established
1967/01/01
Date of Entry
1999/01/01
Revision Date
2021/06/30
Arachnoiditis Preferred
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