Search on: HEMOPHILIA B 
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Descriptor English:   Hemophilia B 
Descriptor Spanish:   Hemofilia B 
Descriptor Portuguese:   Hemofilia B 
Synonyms English:   Bs, Hemophilia
Christmas Disease
Deficiencies, F9
Deficiencies, Factor IX
Deficiency, F9
Deficiency, Factor IX
Disease, Christmas
F9 Deficiencies
F9 Deficiency
Factor IX Deficiencies
Factor IX Deficiency
Haemophilia B
Haemophilia Bs
Hemophilia B Leyden
Hemophilia B(M)
Hemophilia Bs
Hemophilia Bs (M)
Plasma Thromboplastin Component Deficiency  
Tree Number:   C15.378.100.100.510
Definition English:   A deficiency of blood coagulation factor IX inherited as an X-linked disorder. (Also known as Christmas Disease, after the first patient studied in detail, not the holy day.) Historical and clinical features resemble those in classic hemophilia (HEMOPHILIA A), but patients present with fewer symptoms. Severity of bleeding is usually similar in members of a single family. Many patients are asymptomatic until the hemostatic system is stressed by surgery or trauma. Treatment is similar to that for hemophilia A. (From Cecil Textbook of Medicine, 19th ed, p1008) 
See Related English:   Hemophilia A
History Note English:   1999(1966) 
Allowable Qualifiers English:  
BL blood CF cerebrospinal fluid
CI chemically induced CL classification
CO complications DI diagnosis
DG diagnostic imaging DH diet therapy
DT drug therapy EC economics
EM embryology EN enzymology
EP epidemiology EH ethnology
ET etiology GE genetics
HI history IM immunology
ME metabolism MI microbiology
MO mortality NU nursing
PS parasitology PA pathology
PP physiopathology PC prevention & control
PX psychology RT radiotherapy
RH rehabilitation SU surgery
TH therapy UR urine
VE veterinary VI virology
Record Number:   2885 
Unique Identifier:   D002836 

Occurrence in VHL: