Ulnar Mammary Syndrome is a rare genetic disorder caused by mutations in TBX3 and characterized by hypoplasia or aplasia of upper limbs on the ulnar side, mammary glands and nipples.

This community is for individuals with an undiagnosed medical disorder. Please post your comments, questions and symptoms in the forum section.

Unverricht-Lundborg Disease is a raregenetic epilepsy disorder.

Urticarial vasculitis (UV) is a rare inflammatory disorder characterized by recurrent episodes of urticaria (hives) that persist longer than 24 hours and vasculitis (inflammation of sm...

Usher syndrome is a rare genetic disorder characterized by deaf-blindness due to a genetic mutation.

Welcome to the Foundation for USP7 Related Diseases! We are a registered 501(c)(3) non-profit organizatio...

Uveitis is inflammation of the middle layer of the eye.