cDepartment of Medicine and Therapeutics, Chinese University of Hong Kong, Hong Kong Special Administrative Region, China dState Key Laboratory of Digestive Disease, Chinese University of Hong Kong, ...

Sarcoidosis is a rare disease. Its cause is unknown. It's linked to an unusual cause of inflammation called granuloma. Granulomas are groups of inflamed tissue that can affect how organs work.

Telangiectasia is a common condition that affects many otherwise healthy people. But can also be a sign of a more serious disease. Telangiectasias (commonly known as "spider veins") are dilated or ...

Heart valve problems are one cause of heart failure. What are the symptoms of heart valve disease? Mild to moderate heart valve disease may not cause any symptoms. These are the most common symptoms ...