Diverse phenotypic manifestations of small intestinal mucosa in non-infectious common variable immunodeficiency bowel disease: A case report

Figure 1 Gastroscopy and colonoscopy. A: There was no bile retention in the gastric cavity, the gastric mucosa was smooth; B: The mucosa of the descending part of the duodenum was rough; C: Colonoscopy showed smooth colorectal mucosa; D: Lymphoid follicular hyperplasia was seen at the end of the ileum, which was scattered and multifocal and relatively homogeneous in morphology.