title: Contrast-enhanced CT examination on a patient who has previously developed hives.
mesh_terms: D003287:Contrast Media / Q000009:adverse effects*; D006801:Humans; D012307:Risk Factors; D014057:Tomography, X-Ray Computed / Q000379:methods*; D014581:Urticaria / Q000139:chemically induced*
chemical_list: D003287:Contrast Media