GI involvement occurs in 37-65% of adult IgA (IgAV) cases, w/ Sxs of abdominal pain, hematochezia, severe complications of perforation & ischemia. Dx w/ CRP, NLR, D-dimer, imaging (CT, endoscopy). Steroids w/ Mod-to-severe Dz. MMF or IVIG for refractory cases. https://t.co/vgvZnYXIOI