KnowraPfeiffer syndromeLinked fromLinked fromThe 3 pages that link to Pfeiffer syndrome, each with the reason it gives.All 3Related 1Compared with 2SyndactylyRelated: Some forms include partial joining of fingers or toes.Apert syndromeCompared with: It shares FGFR-related skull abnormalities but has a different characteristic limb pattern.Crouzon syndromeCompared with: Limb differences help distinguish it from Crouzon syndrome.