title: Tennis ball sign: a CT sign of acute aortic dissection.
authors.affiliation: Department of Radiology, Sanjay Gandhi Post Graduate Institute of Medical Sciences, Raibareli Road, Lucknow, 226014, India. hiralal2007@yahoo.co.in.
authors.forename: Hira
authors.initials: H
authors.lastname: Lal
authors.affiliation: Department of Surgery, Lady Hardinge Medical College and SSK Hospital, Connaught Place, New Delhi, 110001, India.
authors.forename: Priyank
authors.initials: P
authors.lastname: Yadav
authors.affiliation: Department of Nephrology, Sanjay Gandhi Post Graduate Institute of Medical Sciences, Raibareli Road, Lucknow, 226014, India.
authors.forename: Anand
authors.initials: A
authors.lastname: Chellappan
authors.affiliation: Department of Radiology, Sanjay Gandhi Post Graduate Institute of Medical Sciences, Raibareli Road, Lucknow, 226014, India.
authors.forename: Rajeev
authors.initials: R
authors.lastname: Singh
mesh_terms: D000784:Aortic Dissection / Q000000981:diagnostic imaging*; D017544:Aortic Aneurysm, Abdominal / Q000000981:diagnostic imaging*; D000072226:Computed Tomography Angiography; D003937:Diagnosis, Differential; D006801:Humans