<prompt> Which is not a characteristic of wegeners granulomatosis?Granuloma in vessel wallFocal necrotising glomerulonephritisPositive for cANCAInvolves large vessels  <response>: Wegener granulomatosis is a necrotizing vasculitis characterizedby a specific triad of findings: Granulomas of the lung andor the upper respiratorytract ear, nose, sinuses, throat Vasculitis of small to medium-sized vessels capillaries,venules, aerioles, and aeries, most prominently inthe lungs and upper respiratory tract GlomerulonephritisWegener granulomatosis is likely to be initiated as acell-mediated hypersensitivity response directed againstinhaled infectious or environmental antigens. PR3-ANCAsare present in almost 95 of cases and probably drive thesubsequent tissue injury.Robbins basic pathology,9th edition,pg no.353 