title: The ring sign.
authors.affiliation: Department of Radiology, Aultman Hospital, Northeastern Ohio Universities College of Medicine, Canton, OH 44710, USA.
authors.forename: O
authors.initials: O
authors.lastname: Konez
mesh_terms: D006801:Humans; D007238:Infarction / Q000000981:diagnostic imaging; D007511:Ischemia / Q000000981:diagnostic imaging; D008297:Male; D011877:Radionuclide Imaging; D012611:Scrotum / Q000098:blood supply / Q000000981:diagnostic imaging*; D013085:Spermatic Cord / Q000098:blood supply; D013086:Spermatic Cord Torsion / Q000000981:diagnostic imaging*; D013737:Testis / Q000098:blood supply