title: A teenager with focal weakness.
authors.affiliation: Division of Neurology, The Children's Hospital of Philadelphia, University of Pennsylvania, School of Medicine, Philadelphia, PA, USA. mcguirej@email.chop.edu
authors.forename: Jennifer L
authors.initials: JL
authors.lastname: McGuire
authors.forename: Lauren A
authors.initials: LA
authors.lastname: Beslow
authors.forename: Richard S
authors.initials: RS
authors.lastname: Finkel
authors.forename: Robert A
authors.initials: RA
authors.lastname: Zimmerman
authors.forename: Fred M
authors.initials: FM
authors.lastname: Henretig
mesh_terms: D000293:Adolescent; D001132:Arm / Q000294:innervation; D003915:Dextromethorphan / Q000009:adverse effects; D003937:Diagnosis, Differential; D004244:Dizziness / Q000209:etiology; D006556:Heroin Dependence / Q000150:complications* / Q000175:diagnosis; D006801:Humans; D007511:Ischemia / Q000175:diagnosis; D008279:Magnetic Resonance Imaging; D008297:Male; D002189:Marijuana Abuse / Q000150:complications; D018908:Muscle Weakness / Q000209:etiology*; D009188:Myelitis, Transverse / Q000139:chemically induced / Q000150:complications / Q000175:diagnosis*; D009293:Opioid-Related Disorders / Q000150:complications; D011782:Quadriplegia / Q000209:etiology*; D012075:Remission, Spontaneous; D012907:Smoking; D013116:Spinal Cord / Q000098:blood supply; D015819:Substance Abuse, Intravenous / Q000150:complications*; D016055:Urinary Retention / Q000209:etiology*
chemical_list: D003915:Dextromethorphan