TABLE 1

The timeline for the presented case.

Dates	Relevant past medical history and interventions
	She denied a history of hypertension, taking anticoagulant/antiplatelet medication, or trauma events.
	Summaries from initial and follow-up visits	Diagnostic testing (including dates)	Interventions
2020/1/3	Sudden-onset neck pain, right facial numbness, and right-sided weakness Visiting our ER 2 hours later after the onset of symptoms	Hemoglobin level of 10.8 mg/dL and platelet count of 263,000/μL. (2020/1/3) A coagulation test produced normal results. (2020/1/3) A computed tomography (CT) scan of the brain revealed no intracranial hemorrhage. CT angiography revealed no evidence of major vessel occlusion or artery dissection. (2020/1/3)	Intravenous recombinant tissue plasminogen activator (rtPA) was administrated within 4.5 hours of symptom onset. (2020/1/3)
2020/1/3	Left-side weakness developed 3 hours later rtPA injection	Subsequent magnetic resonance images of the brain and cervical spine revealed a mass in the right dorsal portion of the cervical canal above the C3 level that was compressing the spinal cord (2020/1/3)	Emergent laminectomy with hematoma removal 12 hours after symptom onset. (2020/1/3)
2020/1/8	The motor strength of the left extremities recovered to grade 4
2020/1/21	Discharge with right extremities recovered to grade 3
2020/2/5	She could walk with walker