case_images: PMC8208764_01
case_images: Axial view of a computed tomography scan of the abdomen at presentation demonstrating one of the large intra-abdominal collections measuring 129x58 mm.
case_images: acmi-3-0227-g001.jpg
case_images: PMC8208764_01_acmi-3-0227-g001.jpg
case_images: F1
case_images: A computed tomography (CT) scan of his abdomen showed interval progression of pre-existing retroperitoneal and intraperitoneal collections with the largest collection measuring 129x58 mm (Fig. 1).
case_images: Gram-stain demonstrating small Gram-negative bacilli (red arrow) in the presence of polymorphonuclear cells (blue arrow) on high power field microscopy.
case_images: acmi-3-0227-g002.jpg
case_images: PMC8208764_01_acmi-3-0227-g002.jpg
case_images: F2
case_images: Gram-stain of aspirated material demonstrated numerous polymorphic leukocytes and Gram-negative bacilli under high powered field microscopy (Fig. 2).
case_images: Growth of tiny white colonies after 48 h on horse blood agar under anaerobic conditions at 37 degrees Celsius with section magnified.
case_images: acmi-3-0227-g003.jpg
case_images: PMC8208764_01_acmi-3-0227-g003.jpg
case_images: F3
case_images: After 2 days of incubation, tiny white non-haemolytic colonies were cultured on horse blood agar under anaerobic conditions at 37 degrees Celsius (Fig. 3).