For the March 2024 IUS Monthly webinar, Dr. Michael Dolinger (Assistant Professor of Pediatrics, Icahn School of Medicine at Mount Sinai) presents a case on the use of IUS in children with acute severe ulcerative colitis and Dr. Rishika Chugh (Assistant Professor of Medicine, University of California San Francisco) presents a case on the use of IUS for detection and monitoring of penetrating Crohn's disease.