case_images: PMC5851328_01
case_images: Abdominal computed tomography (CT) scan taken again after the patient showed the peritoneal irritation sign, revealing an increased CT value of the greater omentum (*) and ascites ( ). However, no infectious focus or neoplasms are observed.
case_images: CRIS2018-6145903.001.jpg
case_images: PMC5851328_01_CRIS2018-6145903.001.jpg
case_images: fig1
case_images: The CT scan showed an increased CT value of the greater omentum and ileocolic mesentery, and ascites (Figure 1).
case_images: Diffuse redness and swelling of the greater omentum is shown, and ascites are present with minimal blood dominantly in the Douglas fossa and right paracolic gutter.
case_images: CRIS2018-6145903.002.jpg
case_images: PMC5851328_01_CRIS2018-6145903.002.jpg
case_images: fig2
case_images: Laparotomy revealed diffuse redness and swelling of the greater omentum and pale haemorrhagic ascites (Figure 2).
case_images: Mononuclear cell and neutrophil infiltration to the perivascular and vascular walls. (a) Vessel wall destruction is more severe in the vein than in the artery. (b) The vessels are surrounded by epithelioid granuloma and multinucleated giant cells. (c) Palisading granuloma is seen.
case_images: CRIS2018-6145903.003.jpg
case_images: PMC5851328_01_CRIS2018-6145903.003.jpg
case_images: fig3
case_images: Histological examination of the resected omentum demonstrated both arteritis and more severe venulitis, focal necrotizing vasculitis of the venules, and palisading granuloma (Figures 3(a) and 3(c)).