RT Journal Article T1 Beyond Urticaria: Schnitzler Syndrome. A1 Ruiz-Villaverde, Ricardo A1 Bueno-Rodriguez, Ahinoa A1 Sanchez-Cano, Daniel K1 Diagnosis, Differential K1 Interleukin 1 Receptor Antagonist Protein K1 Middle Aged K1 Quality of Life K1 Urticaria AB A 48-year-old male was admitted to our outpatient dermatological clinic complaining of a 2 year-evolution of recurrent urticarial rash and arthralgia on knees and elbows. Physical examination showed evanescent hives in the upper third of the chest and back without associated angioedema (Figure 1a). The patient reported intermittent fever (>38.5 °C) in the outbreaks and swollen neck lymph nodes. PB Galenos Publishing House YR 2017 FD 2017-05-29 LK http://hdl.handle.net/10668/11247 UL http://hdl.handle.net/10668/11247 LA en NO Ruiz-Villaverde R, Bueno-Rodriguez A, Sánchez-Cano D. Beyond Urticaria: Schnitzler Syndrome. Balkan Med J. 2017 Sep 29;34(5):478-479 DS RISalud RD May 10, 2025