A Case of Unusual Colon Mass, Skin Lesions, Kidney Thrombosis and Glomerulonephritis: Pyoderma Gangrenosum or IgA Vasculitis? Authors Xiaoyan Huang Author Lijun Zhang Author Wenfeng Zhang Author Ning Liu Author Ying Li Author Abstract A Case of Unusual Colon Mass, Skin Lesions, Kidney Thrombosis and Glomerulonephritis: Pyoderma Gangrenosum or IgA Vasculitis? Published 2019-06-05 Issue Vol. 1 No. 1 (2019) Section Articles