Preauricular sinus

A preauricular sinus, also known as an auricular fistula, is a common congenital malformation that occurs during the development of an embryo. It results from incomplete fusion of the first and second branchial arches. More

Gastrointestinal (GI) Bleeding

Gastrointestinal (GI) bleeding is any type of bleeding that starts in GI tract. It is a leading indication for blood transfusion in Hong Kong. More

Acute Diarrhoeal Diseases

Acute diarrhoea is contagious and may occur in all ages, with children being more commonly affected. More

Ulcerative Colitis

Ulcerative colitis is an inflammatory bowel disease that causes long-lasting inflammation and ulcers in the digestive tract. Ulcerative colitis affects the innermost lining of colon and rectum. More

Crohn's disease

Crohn's disease is a type of inflammatory bowel disease (IBD) that may affect any part of the gastrointestinal tract from mouth to anus. More