Fig. 4

Representative computed tomography (CT) images of retroperitoneal hemorrhage in patients with COVID-19. A–C Axial, coronal and 3D CT images from a 56-year-old patient show evidence of retroperitoneal hemorrhage (thin yellow double-headed arrow) with pseudoaneurysm of the inferior pancreaticoduodenal artery (yellow arrows). D–F Axial, sagittal and 3D CT images from a 41-year-old patient show evidence of retroperitoneal hemorrhage (thin red double-headed arrow, D) with pseudoaneurysm of the anterior inferior pancreaticoduodenal artery (red arrows)