cases, lung Week 159: Case 4 April 26, 2023 pathadmin 1. Presented by Fred Askin, M.D. and prepared by Sharon Swierczynski, M.D., Ph.D.Patient is a 48 year-old man with hemoptysis and multiple fluffy pulmonary infiltrates.UIP pattern of interstitial pneumonitisLeukocytoclastic vasculitis and lung hemorrhageDiffuse amyloidosisIdioplastic pulmonary hemosiderosis 1. Presented by Fred Askin, M.D. and prepared by Sharon Swierczynski, M.D., Ph.D.Patient is a 48 year-old man with hemoptysis and multiple fluffy pulmonary infiltrates.