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May 1969

Christmas Disease in a Girl

Author Affiliations

Iowa City
From the departments of pediatrics (Drs. Lascari and Taylor) and medicine (Dr. Hoak), University of Iowa Hospitals, Iowa City.

Am J Dis Child. 1969;117(5):585-588. doi:10.1001/archpedi.1969.02100030587016

IN THE majority of affected families the inheritance of Christmas disease (hemophilia B) is of the same X-linked recessive pattern as true hemophilia (hemophilia A), resulting in a transmission of the disease to men by apparently healthy female carriers. In a small number of instances, however, carriers of the Christmas disease gene have been reported with bleeding symptoms. This report describes Christmas disease in an 11-year-old girl and is the second reported case in which hemarthrosis was observed in a female carrier.

Report of a Case  An 11-year-old white girl had her first episode of excessive bleeding at the age of 2 years when she bled for one week from a scalp laceration which had been cauterized and sutured. At 5 years she bled for two weeks following a tooth extraction despite plasma infusions. At 8 years of age she bit her tongue and again bled for two weeks in

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