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Cat-like cry and mental retardation owing to 7q interstitial deletion (7q22 leads to 7q32).
  1. D N Abuelo,
  2. T Padre-Mendoza

    Abstract

    A patient with mental retardation and mild facial dysmorphism had a karyotype which was considered to be normal before the availability of chromosomal banding techniques. She had a history of a cat-like cry and severe feeding problems during infancy. At the age of 9, she was still found to have initial aphonia on trying to initiate sounds. Repeat chromosome analysis with G banding showed an interstitial deletion of the long arm of chromosome 7.

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