A 64-year-old man presented for evaluation of an urticarial rash. During the preceding 7 years, he had had outbreaks of a painless, nonpruritic rash, primarily affecting his torso and thighs, approximately once a month.
机构:
Humboldt Univ, HELIOS Klinikum Berlin, Franz Volhard Clin, Fac Med Charite, D-13125 Berlin, GermanyHumboldt Univ, HELIOS Klinikum Berlin, Franz Volhard Clin, Fac Med Charite, D-13125 Berlin, Germany