title: A boy with bluish neck swelling on screaming.
authors.affiliation: Irfan Mohamad (Corresponding author) M.D, M.Med (ORL-HNS) Department of Otorhinolaryngology- Head & Neck Surgery, School of Medical Sciences, Universiti Sains Malaysia Health Campus, 16150 Kota Bharu, Kelantan, Malaysia. irfankb@usm.my.
authors.forename: I
authors.initials: I
authors.lastname: Mohamad
authors.affiliation: Ahmad Helmy Abdul Karim M.D, M.Med (Radiology) Department of Radiology, School of Medical Sciences, Universiti Sains Malaysia Health Campus, 16150 Kota Bharu, Kelantan, Malaysia.
authors.forename: A H
authors.initials: AH
authors.lastname: Abdul Karim
authors.affiliation: Hazama Mohamad M.D, M.Med (ORL-HNS) Department of Otorhinolaryngology-Head & Neck Surgery, School of Medical Sciences, Universiti Sains Malaysia Health Campus, 16150 Kota Bharu, Kelantan, Malaysia.
authors.forename: H
authors.initials: H
authors.lastname: Mohamad
keywords: ectasia; jugular vein; valsalva manoeuver