case_images: PMC8052136_01
case_images: Colonoscopy showing rectum with proctitis, characterized by erythema and scattered superficial ulcerations.
case_images: CRIGM2021-6663391.001.jpg
case_images: PMC8052136_01_CRIGM2021-6663391.001.jpg
case_images: fig1
case_images: Colonoscopy showed distal proctitis with superficial ulcerations (Figure 1).
case_images: Rectal biopsy with Congo Red stain. Amyloid deposition is seen in the rectal mucosal vessel walls and lamina propria.
case_images: CRIGM2021-6663391.002.jpg
case_images: PMC8052136_01_CRIGM2021-6663391.002.jpg
case_images: fig2
case_images: Red staining of rectal biopsies was performed, which revealed amyloid deposition in the rectal mucosal vessel walls and lamina propria (Figure 2). Retrospective staining of the gallbladder vessels also demonstrated amyloid deposition (Figure 3).
case_images: Postoperative histology of gallbladder with Congo Red stain. Amyloid deposition is seen in the gallbladder vessel.
case_images: CRIGM2021-6663391.003.jpg
case_images: PMC8052136_01_CRIGM2021-6663391.003.jpg
case_images: fig3
case_images: Red staining of rectal biopsies was performed, which revealed amyloid deposition in the rectal mucosal vessel walls and lamina propria (Figure 2). Retrospective staining of the gallbladder vessels also demonstrated amyloid deposition (Figure 3).