15*3113−−NDFc.3379+1G>A/c.3379+1G>ASplice/Splice25/2518/18PD/PD
Case: Patient 15, F, Hungarian
DiseaseAssertion: VWD type 3
FamilyInfo: compatible with recessive inheritance
ParentalGenotype(s): n/a
CasePresentingHPOs: n/a
CaseHPOFreeRext: VWF:Ag (IU dL−1): 1, VWF:CB (IU dL−1): 1, FVIII:C (IU dL−1): 3, VWF:RCo below detection limit (<10 IU dL−1), not detectable VWF on multimer gels, bleeding episode severity increased after the menarche
CaseNOTHPOs: n/a
CaseNOTHPOFreeText: no inhibitor detected, did not become refractory to factor replacement therapy
CasePreviousTesting: n/a
Gene: VWF
Variant:
c.3379+1G>A (Splice), Exon 25, Homozygous
(p.Arg924Gln), Exon 21, Homozygous
Intron 40 VNTR 18/18
Note: multimer electrophoresis, Recombinant VWF antigen concentrations and Collagen binding activity (VWF:CB) measured by ELISA, direct sequencing of the 51 exons and the exon‐intron boundaries, Breakpoint analysis and breakpoint‐specific PCR