8
Case: Patient 8 (Family D), male, 49yo
DiseaseAssertion: VWD2B
FamilyInfo: NA
ParentalGenotype(s): NA
CasePresentingHPOs: HP:0030129, HP:0030130, HP:0011871, HP:0012147
(impaired ristocetin cofactor assay activity, Impaired von Willebrand factor collagen binding activity, Impaired RIPA, Reduced quantity of VWF)
CaseHPOFreeText: blood group A, Platelet count x103/μl = 252, PFA 100 sec = 175, SPA % = 0, MADR mg/mL = 0.6, VWF:Ag U/dL = 54.3, VWF:CB U/dL = 55.1, VWF:CB ratio = 1.01, VWF:RCo U/dL = 51.6, VWF:RCo ratio = 0.94, Platelet VWF U/dL = 60.3, FVIII U/dL = 62.2, BAT F/M = NA
CaseNOTHPOs:
CaseNOTHPOFreeText:
CasePreviousTesting: NA
GenotypingMethod: Sequencing of exon 28 of VWF
PreviouslyPublished: NA
Gene: VWF
Variant 1: c.4135C>T (p.Arg1379Cys)
HGVS: NM_000552.4(VWF):c.4135C>T (p.Arg1379Cys)
ClinVarID: 100333; https://www.ncbi.nlm.nih.gov/clinvar/variation/100333/
CAID: NA
gnomAD: MAF = 0.00003891 (5/128500 alleles) in the European (non-Finnish) population; https://gnomad.broadinstitute.org/variant/12-6128449-G-A?dataset=gnomad_r2_1
Variant 2: c.3797C>A (p.Pro1266Gln)
HGVS: NM_000552.4(VWF):c.3797C>A (p.Pro1266Gln)
ClinVarID: 100279; https://www.ncbi.nlm.nih.gov/clinvar/variation/100279/
CAID: NA
gnomAD: MAF = 0.001346 (41/30468 alleles; 2 homozygotes) in the South Asian population; https://gnomad.broadinstitute.org/variant/12-6128787-G-T?dataset=gnomad_r2_1