Freeman-Sheldon Syndrome

**Semantic type:** Disease or Syndrome

**Definition:** A rare syndrome that is inherited in an autosomal dominant or recessive pattern and caused by mutations in the MYH3 gene. It is a severe form of arthrogryposis. It is characterized by the presence of distinctive facial features (small mouth, midface hypoplasia, short nose, drooping of the eyelids, deep folds in the area between the nose and the lips, and strabismus), joint deformities that lead to permanently bent fingers and toes, club foot, scoliosis, and walking difficulties.

**Synonyms:** - Cranio-Carpo-Tarsal Syndrome - Craniocarpotarsal Dysplasia - DA2A - Distal Arthrogryposis Type 2A - Freeman Sheldon Syndrome - Whistling-Face Syndrome - Windmill-Vane-Hand Syndrome