PMC6013684_01
Circumferential mural thickening with inflammatory stranding seen around rectum; rectum is filled with stool (arrow).
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PMC6013684_01_CG-CGCR180042F001.jpg
F1
Initial computed tomography angiogram revealed no active bleeding but did reveal circumferential mural thickening of the distal sigmoid and rectum, and surrounding inflammatory stranding and hyperemia were seen (Figure 1).
Colonoscopic retroflexion. (A) Clot adherent to deep ulceration in distal rectum. (B) Hemospray catheter positioned prior to deployment in retroflexion. (C) Deep ulcer in distal rectum with two visible vessels (arrows).
CG-CGCR180042F002.jpg
PMC6013684_01_CG-CGCR180042F002.jpg
F2
Flexible sigmoidoscopy demonstrated a 4-cm, 50% circumferential, deep ulcer with adherent clot seen in the distal rectum on retroflexion (Figure 2).