Results 197 new cases of PSV were diagnosed during these years – HSP in 154, KD in 35, Churg-Staruss syndrome in 2, and polyarteritis nodosa in 3 cases, respectively. Wegener granulomatosis, microscopic polyangiitis and hypocomplementaemic urticarial vasculitis were all diagnosed in one patient. The age distribution ranged from 3 months to 16 years, in cases of KD – from 2 months to 13 years. 3...