title: Clinical Reasoning: Sudden-onset pulsatile headache in a previously healthy young man.
authors.affiliation: From the Departments of Neurology (C.Q., D.-S.T.) and Radiology (C.P.), Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
authors.forename: Chuan
authors.initials: C
authors.lastname: Qin
authors.affiliation: From the Departments of Neurology (C.Q., D.-S.T.) and Radiology (C.P.), Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
authors.forename: Chu
authors.initials: C
authors.lastname: Pan
authors.affiliation: From the Departments of Neurology (C.Q., D.-S.T.) and Radiology (C.P.), Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China. tiands@tjh.tjmu.edu.cn.
authors.forename: Dai-Shi
authors.initials: DS
authors.lastname: Tian
mesh_terms: D002561:Cerebrovascular Disorders / Q000000981:diagnostic imaging / Q000209:etiology; D003937:Diagnosis, Differential; D038524:Diffusion Magnetic Resonance Imaging; D020773:Headache Disorders / Q000000981:diagnostic imaging / Q000209:etiology* / Q000628:therapy*; D006801:Humans; D008297:Male; D008875:Middle Aged; D010291:Paresis / Q000000981:diagnostic imaging / Q000209:etiology; D020521:Stroke / Q000150:complications / Q000000981:diagnostic imaging