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  • Title: Duplication 7p in a family with t(7;11): association with anomalies of the anterior cranial base.
    Author: Odell JM, Siebert JR, Bradley C, Salk D.
    Journal: Am J Med Genet; 1987 Jul; 27(3):687-92. PubMed ID: 3631140.
    Abstract:
    Duplication 7p has been observed in association with several balanced translocations. Of eight previously recorded cases, only one exhibited duplication of the entire short arm of chromosome 7. We report on a newborn infant with multiple congenital anomalies and an abnormal chromosome constitution: 46,XX,-11,+der(11),t(7;11) (p11.1;p15.5)mat. The proposita appeared to possess an isolated duplication of the entire short arm of 7. The patient died at age 4 days because of respiratory complications of meconium aspiration. Clinical and postmortem findings included craniocerebral asymmetry, craniosynostosis of a lambdoid suture, arhinencephaly, hypertelorism, anomalies of the ethmoidal portion of the cranial base, large anterior fontanelle, low set ears, ventricular septal defect (VSD), dysplastic tricuspid and pulmonic valves, hypoplastic genitalia, bilateral dislocated hips, and other minor limb malformations.
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