Case: Patient 12 (Family F), female, 50yo

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 = 204, PFA 100 sec = 91, SPA % = 10, MADR mg/mL = 0.45, VWF:Ag U/dL = 108, VWF:CB U/dL = 101.9, VWF:CB ratio = 0.94, VWF:RCo U/dL = 97.7, VWF:RCo ratio = 0.91, Platelet VWF U/dL = 136.4, FVIII U/dL = 107.5, BAT F/M = 16

CaseNOTHPOs:

CaseNOTHPOFreeText:

CasePreviousTesting: NA

GenotypingMethod: Sequencing of exon 28 of VWF

PreviouslyPublished: NA

Gene: VWF

Variant: 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

Case: Patient 9 (Family D), male, 18yo

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 = 231, PFA 100 sec = 95, SPA % = 0, MADR mg/mL = 0.75, VWF:Ag U/dL = 151.1, VWF:CB U/dL = 175.5, VWF:CB ratio = 1.16, VWF:RCo U/dL = 153.5, VWF:RCo ratio = 0.87, Platelet VWF U/dL = 95.2, FVIII U/dL = 148.2, BAT F/M = NA

CaseNOTHPOs:

CaseNOTHPOFreeText:

CasePreviousTesting: NA

GenotypingMethod: Sequencing of exon 28 of VWF

PreviouslyPublished: NA

Gene: VWF

Variant: 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

Case 1: index case of family 3.

DiseaseAssertion: previous diagnosis of type 1 VWD

FamilyInfo: not provided

ParentalGenotype(s): unknown

CasePresentingHPOs: unknown

CaseHPOFreeRext: unknown

CaseNOTHPOs: unknown

CaseNOTHPOFreeText: unknown

CasePreviousTesting: no

GenotypingMethod: Sanger sequencing of exon 28

PreviouslyPublished: n/a

Gene: VWF

Variant: c.3797C>A

HGVS:

ClinVarID: 100279

CAID:

gnomAD: AF = 0.0005419 (874/1612906) https://gnomad.broadinstitute.org/variant/12-6019621-G-T?dataset=gnomad_r4