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Vasculitis in children and adolescents.

Vasculitis can present in childhood. There is a wide spectrum of disease in vasculitis, with Henoch-Schönlein purpura and Kawasaki disease occurring most commonly; however, macroscopic and microscopic polyarteritis, Wegener's granulomatosis, Takayasu's disease, cutaneous polyarteritis, hypersensitivity angiitis; vasculitis associated with connective tissue disorders, such as dermatomyositis, and a number of other miscellaneous vasculitides are seen. With the current range of investigative and therapeutic tools, it is possible to diagnose and treat the majority of patients although morbidity and mortality is not inconsequential.