• Harold Chen
Living reference work entry


Symphalangism is a rare congenital condition characterized by stiffness of the digits caused by ankylosis of the interphalangeal joints of the fingers and toes. Symphalangism was first described by Harvey Cushing in 1916.


Interphalangeal Joint Autosomal Dominant Disorder Autosomal Dominant Inheritance Bony Fusion Distal Interphalangeal Joint 
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Copyright information

© Springer Science+Business Media New York 2015

Authors and Affiliations

  1. 1.Perinatal and Clinical Genetics, Department of PediatricsLSU Health Sciences CenterShreveportUSA
  2. 2.Medical GeneticsShriners Hospitals for ChildrenShreveportUSA

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