title: Young Man With Lump in His Neck.
authors.affiliation: Emergency Department, Royal Children's Hospital, Melbourne, Victoria, Australia; Paediatric Emergency Research Unit, National Children's Research Centre, Dublin, Ireland.
authors.forename: Michael J
authors.initials: MJ
authors.lastname: Barrett
authors.affiliation: Emergency Department, Royal Children's Hospital, Melbourne, Victoria, Australia.
authors.forename: Adam
authors.initials: A
authors.lastname: O'Brien
mesh_terms: D000293:Adolescent; D002547:Cerebral Palsy / Q000150:complications*; D003937:Diagnosis, Differential; D003952:Diagnostic Imaging; D004868:Equipment Failure; D006801:Humans; D008297:Male; D009333:Neck; D017287:Ventriculoperitoneal Shunt / Q000009:adverse effects*