Endoscopy or gastrointestinal ultrasound are both methods of surveying the internal organs of the digestive tract such as the colon and stomach, so gastric enema or colon enema is very necessary to remove these diseases. Obstacles (food, feces,...) are favorable for the observer's observation.

Ultrasound technique performed with specialized ultrasound probe allows evaluation of uterus, ovaries (female); prostate, seminal vesicles (male) and components in the pelvis with high accuracy, quickly called transrectal ultrasound.

Nowadays, gastrointestinal diseases are one of the most common diseases. The advent of gastrointestinal examination methods plays a very important role in the diagnosis and treatment of gastrointestinal diseases, in which gastrointestinal ultrasound is the most widely used diagnostic tool today.