Diagnostic and therapeutic endoscopies are performed by specialist physicians in the department. In the areas visualized from the mouth to the duodenum, the diseases are diagnosed by taking samples from the tissues at the same time. Staining technology is effective in determining the boundaries of different wounds and in finding the wound to be biopsied. Findings are evaluated by pathologists.

In the department there are various types of upper and lower endoscopes, emergency intervention and injection therapy in the digestive system hemorrhage, sclerotherapy and band ligation in variceal bleeding, polypectomy, balloon dilatation in stenosis, foreign body removal, stent placement in unoperable obstructions due to cancer, ERCP for diagnosis and treatment, biopsy can be done.