case_images: PMC11175601_01
case_images: Esophageal biopsy: small blood vessels were present, but no Congo red-positive material was identified.
case_images: crg-2024-0018-0001-538947_F01.jpg
case_images: PMC11175601_01_crg-2024-0018-0001-538947_F01.jpg
case_images: F1
case_images: Esophageal biopsies showed fibrinopurulence but were negative for amyloid on Congo red stain (shown in Fig. 1).
case_images: Stomach biopsy: the amorphous paucicellular eosinophilic material (amyloid) can be seen around blood vessels.
case_images: crg-2024-0018-0001-538947_F02.jpg
case_images: PMC11175601_01_crg-2024-0018-0001-538947_F02.jpg
case_images: F2
case_images: On the other hand, gastric and duodenal biopsies were positive for amyloid on Congo red stain (Fig. 2, 3).
case_images: Duodenal biopsy: amyloid present around blood vessel wall.
case_images: crg-2024-0018-0001-538947_F03.jpg
case_images: PMC11175601_01_crg-2024-0018-0001-538947_F03.jpg
case_images: F3
case_images: On the other hand, gastric and duodenal biopsies were positive for amyloid on Congo red stain (Fig. 2, 3).