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.
English 
Spanish 
Russian 
German 
French 
Japanese 
Portuguese 
Hindi