Severe hemophilia B
Synonyms: Severe congenital F9 deficiency | Severe congenital factor IX deficiency
A severe form of hemophilia B characterized by a large deficiency of factor IX (biological activity <1 IU/dL) leading to frequent spontaneous hemorrhage and abnormal bleeding as a result of minor injuries or following trauma surgery or tooth extraction. It primarily affects males but may also be observed in female carriers of disease-causing mutations.
Data from Orphanet are used to provide information on a disease's name, synonym(s), and overview.
Reference: Access aggregated data from Orphanet at Orphadata.
Orphadata: Free access data from Orphanet. © INSERM 1999. Available on http://www.orphadata.org. Data version April 2024
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Severe hemophilia B?
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