Diagnosis typically involves a combination of clinical evaluation and diagnostic tests:
1. Clinical History and Examination: Detailed assessment of symptoms and neurological examination. 2. Imaging Studies: MRI or CT scans to visualize any structural abnormalities or tumors. 3. Electrophysiological Tests: Nerve conduction studies and electromyography to assess nerve function. 4. Lumbar Puncture: To analyze cerebrospinal fluid for malignancy or infectious causes.