Abstract
Vasculitis represents a large group of diseases, classified between primary and secondary. Diagnosis of primary vasculitis is a challenge in medical practice, since there are wide and heterogeneous clinical manifestations, with diagnostic criteria still scarce. Some clinical manifestations are common: constitutional status, myalgia, arthralgia, arthritis, papules, nodules and ulcers. One of the clinical forms is the limited one in which patients with upper respiratory tract involvement often evolve with systemic disease. Most patients have nasal, sinus or ear involvement that may be present weeks or months before other symptoms. Secondary vasculitis can be related to infections, drugs, toxic substances and neoplasms. The virchowian and dimorphic form of leprosy has similar clinical and serological characteristics with rheumatological diseases. As it is an endemic disease in Brazil, there is a description of a wide variety of clinical presentations, so making a differential diagnosis is essential.
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