Symptoms include headache, neck or back pain, altered mental status, seizures, weakness, and sensory disturbances. Fever is typically absent. Multiple cranial neuropathies, particularly in a patient with a known cancer diagnosis, should raise concerns for this condition. Prognosis is poor, and median survival with treatment is less than 6 months.
C70.1 – Malignant neoplasm of spinal meninges
230156002 – Malignant meningitis
Differential Diagnosis & Pitfalls