37-year old woman
Case1: Female patient, 37-year-old, At age 25(pregnant) an F8 mutation was identified, Family History of Severe HA
DiseaseAssertion: Mild hemophilia A due to a family mutation and de novo mutation
FamilyInfo: Family also has the large deletion of exon 1 to 22 of the F8 gene, Son (age 10) has mild Hemophilia A
ParentalTesting: Father tested negative for any F8 mutations, Mother is an asymptomatic carrier of the familial large deletion
CasePresentingHPOs: HP:0000978 (Bruising Susceptibility), HP:0000132 (Menorrhagia)
CaseHPOFreeText: FVIII:C 7%, compounded heterozygous for the large gene deletion and c.1569G>T mild mutation
CasePreviousTesting: Molecular analysis, Sequenced the whole coding region of the F8 gene
Gene: F8
Variant: 1. F8, EX1-22DEL 2. NM_000132.3:c.1569G>T (p.Leu523=)
ClinVar: 1. 10122 https://www.ncbi.nlm.nih.gov/clinvar/variation/10122/
gnomAD: 1. Not reported (F8, EX1-22DEL)
- MAF for Leu523= in Latino population 0.00007293 <br /> https://gnomad.broadinstitute.org/variant/X-154185415-C-A?dataset=gnomad_r2_1