SNUH Rare Disease Center
To learn more about rare diseases, please refer to the below documents.
A rare disease is defined as a condition or a disease that affects less than 20,000 patients, excluding an estimated number of patients due to difficulties in diagnosis.
Rare diseases are difficult to diagnose due to the lack of relevant information and experts. Moreover, in their early stages, symptoms may be absent, misunderstood, or confused.
To learn more about the prevalence, incidence, and impact of rare diseases, please check out the statistics on our website.