To the Editor:A 66-year-old male patient was referred to the First Hospital of Lanzhou University with complaints of sudden dizziness,with nausea and emesis.His medical history revealed heavy smoking for 40 years,and no other relevant information was found.
作者单位:The First Clinical Medical College, Lanzhou University, Lanzhou, Gansu 730000, China[1]Department of Radiology, The First Hospital of Lanzhou University, Lanzhou, Gansu 730000, China[2]
the grants from the Gansu Province Youth Science and Technology Foundationthe Gansu Provincial Health Industry Research Projects FoundationFirst Hospital of Lanzhou University Hospital Foundation