congenital factor XI deficiency
Findings
No curated finding names congenital factor XI deficiency yet. Everything below is reference data from Mondo, HPO and GenCC, not evidence about what affects it.
Definition
Congenital factor XI deficiency is an inherited bleeding disorder characterized by reduced levels and activity of factor XI (FXI) resulting in moderate bleeding symptoms, usually occurring after trauma or surgery.
Definition from the Mondo Disease Ontology (MONDO:0012897), read 2026-09-29. CC BY 4.0.
Features
9 features
What the disease is reported to present with, and how often among people who have it — never how often a feature means the disease. HPO, annotations 2026-09-02.
- Abnormal bleedingHPOHP:0001892
- Very frequent (80% to 99% of cases)
- Abnormality of the intrinsic pathwayHPOHP:0010989
- Very frequent (80% to 99% of cases)
- Prolonged bleeding after dental extractionHPOHP:0006298
- Very frequent (80% to 99% of cases)
- Prolonged partial thromboplastin timeHPOHP:0003645
- Very frequent (80% to 99% of cases)
- Reduced factor XI activityHPOHP:0001929
- Very frequent (80% to 99% of cases)
- EpistaxisHPOHP:0000421
- Frequent (30% to 79% of cases)
- MenorrhagiaHPOHP:0000132
- Frequent (30% to 79% of cases)
- Gastrointestinal hemorrhageHPOHP:0002239
- Very rare (1% to 4% of cases)
- Joint hemorrhageHPOHP:0005261
- Very rare (1% to 4% of cases)
Genes
1 gene
Germline variants in the gene encoding each protein, as classified by GenCC submitters, each in their own words. Limited, disputed and refuted submissions are listed too.
- F11HGNC:3529
- Definitive · ClinGen · Semidominant · 2019
- Strong · Labcorp Genetics (formerly Invitae) · Autosomal dominant · 2022
- Strong · Labcorp Genetics (formerly Invitae) · Autosomal recessive · 2022
- Strong · PanelApp Australia · Semidominant · 2025
- Supportive · Orphanet · Autosomal dominant · 2021
Where it sits
Other names
11 names
Resolves to: congenital factor XI deficiency
- Also called
- factor XI deficiency, autosomal dominantfactor XI deficiency, autosomal recessivehaemophilia Chemophilia Chereditary Factor XI deficiencyhereditary factor XI deficiency diseaseplasma thromboplastin antecedent deficiencyPTA deficiencyRosenthal factor deficiencyRosenthal syndromeRosenthal's disease