<prompt> Pathogenesis of all of the following is granulomatous exceptWagners granulomatosisBurgers diseasesTakayasu aeritisMicroscopic angitis  <response>: Refer robbins 9e 510 Microscopic Polyangiitis MPA Microscopic polyangiitis is a disease that results from blood vessel inflammation that can result in damage to organ systems. Areas most commonly affected by MPA include the kidneys, lung, nerves, skin, and joints. Robbins clearly mentions microscopic polyangiitis is characterized by segmental fibrinoid necrosis of the media with focal transmural necrotizing lesions, granulomatous lesions are absent 