title: A simple case of a small elbow effusion.
abstract: An 11-month-old child presented with what initially appeared to be 2 simple problems, a small elbow effusion followed 1 week later by croup. This case history is presented to remind emergency medicine physicians of the importance of index of suspicion and recognition of the difference between common events occurring in a normal host versus common events occurring in an abnormal host.
authors.affiliation: Montreal Children's Hospital, McGill University Health Centre, Montreal, Quebec, Canada. walqurashi@gmail.com
authors.forename: Waleed
authors.initials: W
authors.lastname: Alqurashi
authors.forename: Farhan
authors.initials: F
authors.lastname: Bhanji
authors.forename: David
authors.initials: D
authors.lastname: Mitchell
authors.forename: David
authors.initials: D
authors.lastname: McGillivray
mesh_terms: D000970:Antineoplastic Agents / Q000627:therapeutic use; D001853:Bone Marrow / Q000473:pathology*; D003440:Croup / Q000175:diagnosis / Q000209:etiology*; D003937:Diagnosis, Differential; D004551:Elbow Joint / Q000000981:diagnostic imaging / Q000473:pathology*; D004636:Emergency Service, Hospital; D006801:Humans; D007223:Infant; D007828:Laryngoscopy; D015470:Leukemia, Myeloid, Acute / Q000150:complications / Q000175:diagnosis / Q000188:drug therapy / Q000473:pathology*; D008297:Male; D023981:Sarcoma, Myeloid / Q000150:complications / Q000175:diagnosis / Q000188:drug therapy / Q000473:pathology*; D014057:Tomography, X-Ray Computed; D016896:Treatment Outcome
chemical_list: D000970:Antineoplastic Agents