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Herrmann-Opitz syndrome I

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A syndrome of mental retardation and acrocephalosyndactyly (German: Turri-Brachyzephalie), peculiar facies similar to Saethre-Chotzen syndrome, pronounced hypertelorismus, small chin, deep dysmorphic ears, cryptorchism, limitation of movement of the elbows, brachysyndactyly of fingers and toes with lack of fourth finger, and various associated abnormalities.

Herrmann and Opitz in 1969 reported the condition in a boy whose parents and five siblings were normal.


  • J. Herrmann, J. M. Opitz:
    An unusual form of acrocephalosyndactyly.
    Birth Defects Original Article Series, New York, 1969, 5 (3): 39-42.

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