1st Clinic of Gastroenterology

The mission of the Clinic is to provide treatment to all emergency and chronic cases of upper and lower digestive system diseases and biliary tract diseases (ulcer treatment, removal of polyps, removal of bile duct stones, etc.).

Special emphasis is given on the prevention of colon (large intestine) cancer offering endoscopy programs to patients with polyps as well as to their family members. The department applies this preventive strategy by promoting endoscopy programs to the wider population.

Telephone: (+30)210-6972994

Call Center: (+30)210-6972000

Email: agas@dunant.gr

Director: Rokkas Theodoros


  • Gastrointestinal motility studies
  • Diagnostic and therapeutic upper gastrointestinal endoscopy
  • Esophagoscopy
  • Gastroscopy
  • Duodenoscopy
  • Emergent hemostasis of ulcer hemorrhage and bleeding varicose vein
  • Stricture dilation
  • Application of Argon Plasma Laser for palliative treatment of neoplasms and angiodysplasia
  • Esophageal stent
  • Stent in unresectable intestine strictures
  • Biliary – pancreatic stents
  • Foreign body removal
  • Endoscopic gastrostomy for enteral nutrition
  • CLO test and Breath test for the detection of Helicobacter pylori, which is of great importance for stomach and duodenal diseases
  • Diagnostic and therapeutic lower gastrointestinal endoscopy
  • Rectal endoscopy
  • Orthosigmoidoscopy
  • Partial colonoscopy
  • Total colonoscopy
  • Polypectomy
  • Hemostasis of intestinal bleeding
  • Diagnostic and therapeutic endoscopy for biliary and pancreatic diseases
  • Endoscopic retrograde cholangiopancreatography (ERCP)
  • Sphincterotomy – stone extraction


The A' Clinic of Gastroenterology features high-standard technical equipment which places it among the most advanced centers of gastroenterology in Europe and North America. Among others it is equipped with:

  • Special flexible video endoscopes: gastroscopes, colonoscopes and angled vision endoscopes for biliary endoscopy
  • Endoscopy with the use of endoscopic ultrasound guided through-the-needle forceps biopsy; a procedure that provides excellent information regarding the mucosal status of the digestive tract.
  • Choice of mild sedation for all endoscopic, motility studies, other diagnostic methods and therapeutic actions for non-intolerant outpatients who do not require hospitalization.

Medical Staff