Cri du chat syndrome is a a rare genetic disorder due to a missing part (deletion) of chromosome 5. Cri du chat syndrome was first described by a French geneticist, Jerome Lejeune in 1963 and named after the French term "cry or call of the cat" referring to the characteristic high-pitched cat-like cry of affected children. Here we present a brief introduction to the common knowledge of Cri du chat syndrome.
