Retroperitoneal and abdominal bleeding in anticoagulated COVID-19 hospitalized patients: Case series and brief literature review

Figure 8 Abdominal pre- and post-contrast images and thoracic computed tomography in a patient with coronavirus disease 2019 and hematoma of the left psoas muscle. A: “Crazy caving” pattern and linear interstitial thickening in the basal lung segments in organizing coronavirus disease 2019 pneumonia; B-F: A large hematoma of the left psoas muscle with infiltration of quadratus lumborum (asterisk); B-E: Large simple cortical cyst of the left kidney; C-F: Active bleeding from lumbar branches of the iliolumbar artery is indicated on post-contrast computed tomography images (arrows).