MEOX1 and Klippel-Feil syndrome 1, autosomal dominant: Klippel–Feil syndrome (KFS) is characterized by fusion of cervical vertebrae, short neck, and low posterior hairline.2,3 Mutations in a transcription factor protein-coding mesenchyme homeobox 1 gene have been shown to cause an autosomal recessive subtype of KFS (KFS2, Online Mendelian Inheritance in Man (OMIM 214300).4,5 Recently, 2 types of autosomal-dominant KFS were linked to other mutations.