Freeman-Sheldon Syndrome - Distal Arthrogryposis Type 2A

Freeman-Sheldon syndrome (FSS), also known as distal arthrogryposis type 2A or craniocarpotarsal dysplasia, is a rare form of the multiple congenital contracture (arthrogryposis) syndromes. It is characterized by facial muscle contractures (“whistler appearance” or “whistling face”) and skeletal or joint abnormalities.

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Last Update: July 2018