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Genetic and Rare Diseases Information Center (GARD)

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Hallermann-Streiff syndrome

Other Names for this Disease
  • Francois dyscephalic syndrome
  • Hallermann Streiff Francois syndrome
  • Hallermann Streiff syndrome
  • HSS
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What causes Hallermann-Streiff syndrome?

The genetic cause of Hallerman-Streiff syndrome has not been identified. It reportedly typically occurs randomly for unknown reasons (sporadically), most likely due to a new spontaneous (de novo) mutation in the affected individual.[1]
Last updated: 7/23/2012

  1. Hallermann Streiff Syndrome. NORD. April 11, 2012; Accessed 7/23/2012.