ICD-11 classes
08 Diseases of the nervous system
Other disorders of the nervous system
8E40 — Disorders of the meninges excluding infection
8E40.0 — Neoplastic meningitis

ICD-11 8E40.0 — Neoplastic meningitis

Inflammation of the meninges due to malignant infiltration from carcinomas, leukaemias and lymphomas. The syndrome is clinically characterised by headache, neck stiffness, fever and photophobia with potential progression to stupor and coma. The presentation may be acute, subacute or chronic. Diagnosis may be aided by neuroimaging and spinal fluid analysis which may reveal a lymphocytic pleocytosis, raised protein and the presence of malignant cells on cytology.

The diagnosis includes nothing.

The diagnosis excludes nothing.

It has no clarifying diagnoses.