<unk>  is an exceedingly rare disorder which falls under the category of hamartomatous disorder.<unk>  is a very complex disorder which involves multiple organ systems in the body. In The United States of America in order to categorise a condition is a rare disease it should affect fewer than 200,000 people. Rare diseases also called as orphan diseases. Orphan Drug Act was passed on 1983 by congress for the rare diseases. Today an average of 25-30 million americans have been reported with rare diseases. The number of people with individual rare disease may be less but overall the number of people with rare diseases are large in number.
Proteus syndrome
Gram's syndrome
Toxic shock syndrome
Cytosine arabinose syndrome
Crush syndrome
Multiple organ dysfunction syndrome
Tumor lysis syndrome
Johanson-Blizzard syndrome