Hydroxyurea-related ileocecal region ulcers as a rare complication: A case report

Figure 1 Ileocecal ulcers. A: The first colonoscopy showing an ileocecal ulcer; B: The second colonoscopy showing a giant irregular ulcer on the ileocecal valve with an ill-defined edge and a dirty coating on the surface; C: The third colonoscopy showing a giant irregular ulcer near the ileocecal valve, measuring approximately 3.0 cm × 5.0 cm, with an ill-defined edge and a dirty coating on the surface; D: The fourth colonoscopy showing an irregular ulcer near the ileocecal valve, measuring approximately 0.6 cm × 1.8 cm, with an ill-defined edge, indicating that the ulcer improved.