December 2005 QUIZ OF THE MONTH . . .
Which of the statements about chronic idiopathic urticaria (CIU) in adults are true or false?
- There is an increased incidence of thyroid autoimmunity in those with CIU
- Food allergies play a pathogenic role in the majority of CIU cases
- Almost all cases of CIU remit within 5 years
- Antibodies against the high affinity IgE receptor (Fc epsilon RI) are present in the sera of 30-40% of individuals with CIU
- Individual hives lasting more than 24 hours increases the likelihood that the CIU is due to cutaneous vasculitis
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