Hemorrhagic ulcerative colitis is a chronic inflammatory disease causing continuous inflammation of the colonic mucosa with histopathological characteristic of granulomatous lesions.

Ultrasound is a diagnostic imaging technique that uses ultrasound waves (high-frequency sound waves) to build and recreate images of the body's internal structures. Ultrasound is a method of diagnosis and treatment that is commonly used in medicine. The following article will clarify the role of ultrasound in the diagnosis and evaluation of ulcerative colitis.