case_images: PMC9492891_01
case_images: The timeline of the treatments. AML, acute myeloid leukemia; HCT, hematopoietic cell transplantation.
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case_images: The timeline of the treatments is summarized in  Figure 1 .
case_images: PMC9492891_02
case_images: The timeline of the treatments. AML, acute myeloid leukemia; HCT, hematopoietic cell transplantation.
case_images: fonc-12-1002333-g001.jpg
case_images: PMC9492891_02_fonc-12-1002333-g001.jpg
case_images: f1
case_images: The timeline of the treatments is summarized in  Figure 1 .
case_images: Bowel dilation, bowel wall thickening, and stenosis in the patient. (A) Abdominal radiograph showed bowel dilation with a gas-liquid level. (B) CT scan showed bowel dilation, thickening of the bowel wall, and small bowel stenosis.
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case_images: Repeat plain abdominal radiography revealed bowel dilation exacerbation with an abnormal gas-liquid level ( Figure 2A ), and computed tomographic (CT) scan showed apparent bowel wall thickening and intestinal stenosis ( Figure 2B ).
case_images: Surgical resection of the affected small intestine. (A) Small intestine wall thickening, edema, and stenosis. (B) Stiffness of the affected small intestine. (C) Reduction in the mucosal folds.
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case_images: At laparotomy, gross examination showed that the proximal small intestine was dilated, and the distal small intestinal wall was markedly thickened and edematous ( Figure 3A ). One ileal stenotic region of 20 cm was surgically removed ( Figure 3B ). The resected ileal tissue was stiff, and one stenosis with mucosal ulcerations was observed ( Figures 3B, C ).
case_images: Histological examination showed crypt loss, marked inflammation, and associated architectural distortion (hematoxylin and eosin, 200x).
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case_images: Pathological examination of the lesion location showed that the intestinal mucosa was substituted with granulation tissue with neutrophilic infiltration, and no crypts or epithelial cells were seen ( Figure 4 ).