title: "Hole sign" of the gallbladder.
authors.affiliation: Department of Radiodiagnosis, Sree Balaji Medical College and Hospital, Chromepet, Chennai, 600 044, India. ivraman31@gmail.com.
authors.forename: Venkatraman
authors.identifier: http://orcid.org/0000-0001-5296-0175
authors.initials: V
authors.lastname: Indiran
authors.affiliation: Department of Radiodiagnosis, Sree Balaji Medical College and Hospital, Chromepet, Chennai, 600 044, India.
authors.forename: Naveen
authors.initials: N
authors.lastname: Prabakaran
authors.affiliation: Department of Radiodiagnosis, Sree Balaji Medical College and Hospital, Chromepet, Chennai, 600 044, India.
authors.forename: Kanakaraj
authors.initials: K
authors.lastname: Kannan
mesh_terms: D002763:Cholecystectomy; D041881:Cholecystitis, Acute / Q000000981:diagnostic imaging* / Q000601:surgery; D004630:Emergencies; D005704:Gallbladder / Q000000981:diagnostic imaging* / Q000601:surgery; D006801:Humans; D000072663:Spontaneous Perforation / Q000000981:diagnostic imaging*; D016896:Treatment Outcome; D018615:Ultrasonography, Doppler, Color