Case#: Mülling_Proband_1 (55 y/o, male)

DiseaseAssertion: Severe Hemophilia B

FamilyInfo: N/A

ParentalTesting: N/A

CasePresentingHPOs: HP:0011858, HP:0100584, HP:0002094

CaseHPOsFreeText: Reduced factor IX activity (FIX activity: 3%), infective endocarditis, dyspnea

CaseNotHPOs: N/A

CasePreviousTesting: N/A

Gene: F9

Variant: NM_000133.4:c.110C>T (p.Ala37Val)

ClinVar: Absent

CAID: CA414435437

gnomAD: 0.00002186 in European (non-Finnish) population (highest frequency of variant found in this population)

AdditionalCaseInfo: Patient developed severe bleeding under therapy with phenprocoumon, aPTT was prolonged, while factor IX activity was significantly reduced. Acquired hemophilia was excluded, due to missing detection of inhibitors