ASST Combined With Other Tests Best IDs Autoimmune Urticaria
The autologous serum skin test (ASST) can be combined with additional parameters to best identify chronic autoimmune urticaria (AIU), according to a research letter published online Nov. 15 in the British Journal of Dermatology.

Krisztina Hajdu, from the University of Debrecen in Hungary, and colleagues selected 55 patients with chronic spontaneous urticaria. Patients completed a detailed questionnaire and underwent laboratory testing and ASST. Urticaria severity was assessed using the Breneman score. AIU was diagnosed according to the basophil CD63 assay positivity....