Among the various types of vasculitis, the most common is small vessel vasculitis involving the post capillary venules. Etiological factors are drugs, infectious agents, blood disorders, malignancies and rheumatological disorders. In this report, a Hepatitis B virus (HBV) carrier patient who experienced lymphocytic vasculitis after vaccination for Hepatitis A is presented. On admission, the pat...

Background—Giant cell arteritis is a granulomatous vasculitis of the aorta and its branches that causes blindness, stroke, and aortic aneurysm. CD4 T cells are key pathogenic regulators, instructed by vessel wall dendritic cells to differentiate into vasculitic T cells. The unique pathways driving this dendritic cell–T-cell interaction are incompletely understood, but may provide novel therapeu...

Pulmonary-renal syndrome refers to patients with DAH (or pathologic pulmonary purpura on physical examination implies a small-vessel, cutaneous vasculitis ( 10).. The ANCA-associated vasculitides, WG, CSS, and MPA, are grouped. . The syndrome is characterized by a triad of (1) asthma, (2) hypereosinophilia, and . Granulomatosis with polyangiitis (GPA), previously known as Wegener's granulomatos...

High index of clinical suspicion of vasculitis should be in the mind of practicing physician when he encounters a patient with unexplained ischemia or multiple organ involvement in the form of arthritis, palpable purpura, glomerlonephritis or multiple mononeuropathy. When systemic vasculitis is suspected the first step is to exclude other processes such as connective tissue disorders (RA, SLE, ...