Sieiro Santos
Polyarteritis nodosa is a systemic vasculitis that involves small and medium sized arteries. Cutaneous polyarteritis nodosa is a rarer variant of classic polyarteritis nodosa with unknown etiopathogenesis¹,³. It presents with tender subcutaneous nodules, Sjögren’s syndrome is a systemic autoimmune disease characterized by dry syndrome and lymphocytic infiltration of the exocrine (salivary and lacrimal glands) and extraglandular glands. It affects different organs such as the heart, kidneys, brain.
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