Exploration of Neuroprotective Therapy

Table 1

Differential diagnosis of RCVS

Pathology	Difference with RCVS
Cluster headache	Episodic
SAH aneurysmal	Findings of ruptured aneurysm
Primary angiitis of the CNS	No thunderclap headache Ischemic infarctions Abnormal CSF

Pathology

Difference with RCVS

Cluster headache

Episodic

SAH aneurysmal

Findings of ruptured aneurysm

Primary angiitis of the CNS

No thunderclap headache

Ischemic infarctions

Abnormal CSF