Crohn's disease patients with L4-esophagogastroduodenal phenotype is associated with a better prognosis: A retrospective cohort study

• Main Authors: Jingrong Weng (Author), Xutao Lin (Author), Xi Chen (Author), Yu-fan Liang (Author), Yu-cheng Xu (Author), Jia-wei Cai (Author), Peng-cheng Lu (Author), Yuming Rong (Author), Yifeng Zou (Author), Lixin Zhu (Author)
• Format: Book
• Published: Frontiers Media S.A., 2022-10-01T00:00:00Z.
• Subjects: article
• Online Access: Connect to this object online.

Background: In the Montreal classification, L4 Crohn's disease (CD) is defined as an ileal disease, including L4-esophagogastric duodenum (EGD), L4-jejunum, and L4-proximal ileal involvement. According to the previous studies, the prognosis of L4 disease was worse than that of non-L4 disease. A...