• Gastroesophageal reflux disease (GERD) and Barrett’s oesophagus
  • Tumours of the oesophagus (oesophageal cancer)
  • Stenoses (constrictions)
  • Haemorrhaging
  • Oesophageal varices
  • Motility disorders (movement disorders) of the oesophagus
  • Achalasia
  • Zenker’s diverticulum
  • Eosinophilic oesophagitis
  • Candida oesophagitis (fungal infection)

Stomach / Duodenum / Small intestine

  • Gastritis, incl. heliobacter pylori-associated gastritis (inflammation of the mucous membranes of the stomach)
  • Ulcus ventriculi, ulcus duodeni (peptic ulcers, duodenal ulcers)
  • Stomach tumours (stomach cancer, lymphomas, mucosa-associated lymphoid tissue lymphomas [MALT], gastrointestinal stromal tumours [GIST])
  • Haemorrhaging
  • Gastrointestinal motility disorders (movement disorders) of the stomach
  • Acid reflux
  • Coeliac disease
  • Inflammation, small intestinal bacterial overgrowth (SIBO)

Large intestine

  • Tumours of the rectum and large intestine (rectal cancer/colon cancer)
  • Colorectal polyps (as well as large, problematic polyps)
  • Anal tumours
  • Diarrhoea
  • Obstipation (blockages)
  • Diverticulosis, diverticulitis
  • Crohn's disease, ulcerative colitis (chronic inflammatory gastrointestinal disease)
  • Collagenous colitis, lymphocytic colitis, microscopic colitis
  • Haemorrhaging
  • Haemorrhoids
  • Motility disorders (movement disorders) of the large intestine and rectum


  • Acute and chronic inflammation of the pancreas (pancreatitis)
  • Pancreatic cancer
  • Autoimmune pancreatitis
  • Endocrine tumours of the pancreas, e.g. insulinomas, gastrinomas
  • Cystic lesions/pancreatic tumours, e.g. main duct intraductal papillary mucinous neoplasms, branch duct intraductal papillary mucinous neoplasms, mucinous cysts
  • Tumours of the papilla (Papilla vateri), papillary adenomas
  • Pancreatic duct stones

Functional gastrointestinal diseases

  • Irritable bowel syndrome
  • Functional dyspepsia
  • Abdominal pain
  • Diarrhoea, constipation
  • Flatulence
  • Abdominal cramps


  • Gallstones (cholecystolithiasis)
  • Gallstones in the bile duct (choledocholithiasis)
  • Inflammation of the gallbladder and acute inflammation of the bile duct (cholecystitis, cholangitis)
  • Chronic inflammation of the bile duct
  • Gallbladder tumours
  • Bile duct tumours, cholangiocellular carcinoma, Klatskin tumours
  • Functional disorders of the sphincter of Oddi


  • Viral hepatitides (acute or chronic hepatitis B, hepatitis C, hepatitis D, hepatitis E, hepatitis A, Ebstein-Barr virus-associated hepatitis (EBV, infectious mononucleosis), cytomegalovirus viral hepatitis (CMV))
  • Autoimmune hepatitis (AIH)
  • Primary biliary cholangitis (PBC)
  • Primary sclerosing cholangitis (PSC)
  • Overlap syndrome
  • Secondary sclerosing cholangitis and progressive sclerosing cholangitis
  • Fatty liver, non-alcoholic steatohepatitis (NASH)
  • Alcoholic fatty liver hepatitis (ASH)
  • Drug-induced toxic liver disease
  • Iron overload (haemochromatosis)
  • Copper overload (Morbus Wilson)
  • Alpha-1 antitrypsin deficiency
  • Cystic fibrosis (CF, mucoviscidosis)
  • Porphyria
  • Hereditary haemorrhagic teleangiectasia (Morbus Osler)
  • Polycystic liver disease, large liver cysts
  • Morbus Meulengracht (Gilbert’s syndrome)
  • Rare congenital liver diseases
Centre for Gastrointestinal Diseases
Seestrasse 90 8002 Zurich
+41 44 201 67 50
Opening times
Mon - Fri: 8.00 am - 5.00 pm
Telephone hours:
8.00 - 12.00 am and 1.30 - 4.00 pm
24-hour emergency service