Increased CRP was significantly higher in IgAV with PSE compared to those without PSE (52.6 % vs. 41.1 %, p = 0.03), likewise, thrombocytosis (> 400.000 mm3) (43.8 % vs.35.1 %, p = 0.04). The gene discussed is CRP; the disease is photosensitive epilepsy.