introduction: wegener granulomatosis is a rare multisystemic disease with an unknown cause, characterized by necrotic granulomatous lesions in respiratory tract, systemic vasculitis in small arteries and veins and necrotizing glomerulonephritis. wegener can affect any organ including kidneys, eyes or other organs but classically affects upper and lower respiratory tract. one of the rare but imp...

introduction: fish mycobacteriosis is caused by the non-tuberculous mycobacteria. infected fish are normally the primary source of infection, although non-tuberculous mycobacteria can be found in the environment. the present study was designed to  investigate the few recently found suspected cases of mycobacteriosis in iranian ornamental fish tanks.   materials and methods: pathological specime...

A case of lymphomatoid granulomatosis is presented demonstrating the most common chest radiograph findings as well as some infrequent but recognized associations. The clinical presentation and pathogenesis are discussed. The difficulty in radiological diagnosis is highlighted.

We report five cases of Wegener's granulomatosis all of whom had clinical and histological evidence of disease activity at presentation and in whom autoantibodies to neutrophil antigens were detected. This test may prove useful for the diagnosis of this serious condition and help to monitor disease activity during treatment.