The first live-born female with trisomy 9 mosaicism is reported. This patient, like four others in the literature, has a characteristic face with narrowed temples, enophthalmus, large nose and pouched cheeks, as well as skeletal abnormalities of the extremities, including hip dislocation, limited joint mobility and bone hypoplasia.
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Lewandowski et al. (1977) studied this question.
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