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January 1972

18-Trisomy in a 15-Year-Old Girl

Author Affiliations

From the departments of pathology (Drs. Surana and Conen) and pediatrics (Dr. Bain), and the Research Institute, the Hospital for Sick Children, Toronto, and the departments of pathology (Dr. Conen) and pediatrics (Dr. Bain), University of Toronto. Dr. Surana is now with the Methodist Hospital of Brooklyn, NY.

Am J Dis Child. 1972;123(1):75-77. doi:10.1001/archpedi.1972.02110070125021

The patient, a 15-year-old girl, is the second oldest known survivor with 18-trisomy. Mosaicism seems unlikely as no normal cells were found in blood and skin cultures. The physical appearance of individuals with 18-trisomy may become less characteristic with survival past the first few months of life.

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