Cyclophosphamide-associated enteritis presenting with severe protein-losing enteropathy in granulomatosis with polyangiitis: A case report

Figure 1 Clinical images on admission. A and B: Computed tomography scans of the abdomen showing diffuse wall thickening of the stomach, small intestine, and colon; C and D: Upper gastrointestinal endoscopy images showing diffuse erosion throughout the descending duodenum; E and F: Colonoscopy images showing generalized edema and depression with erythema mainly at the end of the ileum.

Figure 2 Clinical course. Alb: Albumin; IV CPA: Intravenous cyclophosphamide; mPSL: Methylprednisolone; PE: Plasma exchange; PSL: Prednisolone; TAC: Tacrolimus.

Figure 3 Improvement of computed tomography findings. The computed tomography images were taken at different time points after the second hospitalization, as indicated.