Syndrome Without A Name

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Syndrome Without A Name (SWAN) is the name given to any pathological set of symptoms that does not represent any of the known diseases. In other terms, SWAN simply means "an unknown disease".

It has been estimated that up to 40% of all disabled children in the UK, or 6,000 per year, do not have a diagnosis and their condition is thus termed "SWAN".[1][2]


  1. ^ Smellie, Alice; Gregory, Jane (24 March 2012). "The SWAN children: Meet some of the 6,000 British children who suffer from Syndrome Without A Name that no doctor can diagnose". Daily Mail. London. 
  2. ^ Roxby, Philippa (2 February 2014). "Technology is helping to give genetic disorders a name". BBC News. UK.