case_images: PMC8387084_01
case_images: PMC8387084_02
case_images: PMC8387084_03
case_images: PMC8387084_04
case_images: Thoracoabdominal CT scan: A - red asterisk indicates the abdominal aortic aneurysm, yellow arrows indicate the calcium aggregated in the atherosclerotic plaque, blue arrow points toward the duodenal lumen and the duodenal wall adjacent to the aneurysm; B - red asterisk indicates the lumen of the aneurysm, the green line indicates the level of section A of the figure. CT: computer tomography.
case_images: autopsy-11-e2021301-g01.jpg
case_images: PMC8387084_04_autopsy-11-e2021301-g01.jpg
case_images: gf01
case_images: Previous medical history included pulmonary thromboembolism two months prior, when two AAA were reported on abdominal CT, both were fusiform, with the first one just below the diaphragm with a diameter of 40mm and a second one, 3mm below the left renal artery, with a diameter of 34mm (Figure 1).
case_images: PADF post-fixation on formalin: A - duodenal side of the fistula (probe placed in the orifice); B - aortic side of the fistula (probe placed in the orifice).
case_images: autopsy-11-e2021301-g02.jpg
case_images: PMC8387084_04_autopsy-11-e2021301-g02.jpg
case_images: gf02
case_images: PADF post-fixation on formalin: section through the level of the fistula, the "red star" indicates the lumen of the aortic aneurysm, the "yellow star" indicates the duodenal lumen, white arrow indicates the place of the communication.
case_images: autopsy-11-e2021301-g03.jpg
case_images: PMC8387084_04_autopsy-11-e2021301-g03.jpg
case_images: gf03
case_images: Histopathology from the area of penetration of the PADF; yellow asterisk indicates the preserved duodenal mucosa, black arrow indicates hemorrhages in the muscular layer of the duodenum, the red arrow indicates the area of penetration with diffuse hemorrhagic zones, blue arrow indicates the remnants of the aortic wall; hematoxylin and eosin stain, original magnification 40x.
case_images: autopsy-11-e2021301-g04.jpg
case_images: PMC8387084_04_autopsy-11-e2021301-g04.jpg
case_images: gf04