Laurin-Sandrow syndrome

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Laurin-Sandrow syndrome is a rare disorder characterized by tetrameric polysyndactlyly.

Radiographic features

  • polysyndactyly of the hands (both post-axial and pre-axial)
  • "cup-shaped" hands
  • mirror polysyndactyly of the feet
  • ulnar dimelia
  • absence of the radius and tibia
  • possible hypertelorism with hypoplasia of the nasal alae, coloboma, tarsal bone anomalies, triphalangeal thumbs