[Wegener's granulomatosis. Clinical and radiologic considerations and description of 3 cases].

The clinical, radiological and pathological findings, natural history and response to treatment are investigated in 3 patients. They represent the only examples of W.G. who were seen over a 15 year period at our University Hospital and are characteristic of generalize and limited form. The role of immune complexes in the pathogenesis of W.G. and diagnostic importance of pulmonary radiological pattern are described.