| pachymeningitis | <medicine> Inflammation of the dura mater or outer membrane of the brain. Origin: Pachy- + meningitis. Source: Websters Dictionary (01 Mar 1998) |
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| pachymeningitis externa | Inflammation of the outer surface of the dura mater. Synonym: epidural meningitis, external meningitis. (05 Mar 2000) |
| pachymeningitis interna | Inflammation of the inner surface of the dura mater. Synonym: internal meningitis. (05 Mar 2000) |
| haemorrhagic pachymeningitis | Subdural haemorrhage associated with pachymeningitis. See: subdural haemorrhage. (05 Mar 2000) |
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| pyogenic pachymeningitis | Suppurative inflammation of the dura, often spreading from a neighboring osteomyelitis. (05 Mar 2000) |
| hypertrophic cervical pachymeningitis | A fibrotic and inflammatory thickening of spinal pachymeninges, particularly in the cervical region, resulting in spinal nerve radiculopathy; believed to be of syphilitic aetiology. (05 Mar 2000) |