Case: P7, M/41

DiseaseAssertion: VWD2A

FamilyInfo: Positive family history, no details provided.

ParentalGenotype: NA

CaseHPOFreeText: The bleeding score was 7, aPTT was 36 seconds, FVIII:C was 36%, VWF:RCo was not determined, and VWF:Ag was 25 IU/dL. The VWF:RCo/VWF:Ag ratio was not applicable. The VWF multimer pattern showed a mild loss of high molecular weight multimers, RIPA was 4 ohms, and the platelet count was 301 × 10⁹/L.

CasePreviousTesting: NA

GenotypingMethod: Direct sequencing of all exons, flanking intronic sequences, and the promoter of VWF was performed.

Gene: VWF

Variant: c.4789C>T, p.R1597W — heterozygous

HGVS: NM_000552.5(VWF):c.4789C>T (p.Arg1597Trp)

ClinVar: 285

CAID: CA114117

gnomAD: https://gnomad.broadinstitute.org/variant/chr12-6018629-G-A?dataset=gnomad_r4