Traits

Traits linked to F8

coagulation factor VIII

The Human Phenotype Ontology links 60 traits to F8, by body system: features seen in people with one of the gene's rare conditions.

Abnormality of blood and blood-forming tissues

Trait	Hvor ofte den forekommer
Blood clot in cerebral vein	Alltid
Blood clot in portal vein	Alltid
Increased factor VIII activity	Alltid
Left ventricular thrombus	Alltid
Recurrent deep vein blood clot	Alltid
Bleeding tendency	Svært ofte (80–99 %)
Bruising susceptibility	Svært ofte (80–99 %)
Prolonged partial thromboplastin time	Svært ofte (80–99 %)
Reduced factor VIII activity	Svært ofte (80–99 %)
Abnormally heavy bleeding during menstruation	Ofte (30–79 %)
Bleeding below the skin	Ofte (30–79 %)
Bleeding gums	Ofte (30–79 %)
Bleeding post-delivery	Ofte (30–79 %)
Bleeding with minor or no trauma	Ofte (30–79 %)
Bleeding within a joint	Ofte (30–79 %)
Blood clot in a deep vein	Ofte (30–79 %)
Bloody nose	Ofte (30–79 %)
Excessive bleeding after minor trauma	Ofte (30–79 %)
Oral cavity bleeding	Ofte (30–79 %)
Prolonged bleeding after dental extraction	Ofte (30–79 %)
Prolonged bleeding after surgery	Ofte (30–79 %)
Prolonged bleeding following procedure	Ofte (30–79 %)
Black feces	Noen ganger (5–29 %)
Bleeding within the skull	Noen ganger (5–29 %)
Cephalohematoma	Noen ganger (5–29 %)
Epidural hemorrhage	Noen ganger (5–29 %)
Gastrointestinal bleeding	Noen ganger (5–29 %)
Low number of red blood cells or hemoglobin	Noen ganger (5–29 %)
Prolonged bleeding following circumcision	Noen ganger (5–29 %)
Prolonged prothrombin time	Noen ganger (5–29 %)
Reduced von Willebrand factor activity	Noen ganger (5–29 %)
Subdural hemorrhage	Noen ganger (5–29 %)
Vomiting blood	Noen ganger (5–29 %)
Blood spots	Sjelden (1–4%)
Intraventricular hemorrhage	Sjelden (1–4%)
Petechiae	Sjelden (1–4%)
Spontaneous hematomas	Sjelden (1–4%)
Muscle hemorrhage	Ikke registrert

Abnormality of the musculoskeletal system

Trait	Hvor ofte den forekommer
Intramuscular hematoma	Ofte (30–79 %)
Cartilage destruction	Noen ganger (5–29 %)
Disease of the joints	Noen ganger (5–29 %)
Limb contractures	Noen ganger (5–29 %)
Limitation of joint mobility	Noen ganger (5–29 %)
Progressive joint destruction	Noen ganger (5–29 %)
Synovitis	Noen ganger (5–29 %)
Degenerative joint disease	Ikke registrert

Abnormality of the cardiovascular system

Trait	Hvor ofte den forekommer
Increased spleen size	Alltid
Portal hypertension	Alltid
Splenic infarction	Alltid
Stroke	Alltid
Blood clot in artery of lung	Ofte (30–79 %)

Laboratory abnormality

Trait	Hvor ofte den forekommer
Joint swelling	Ofte (30–79 %)
Blood in urine	Noen ganger (5–29 %)
Bloody urine	Noen ganger (5–29 %)

Abnormality of the nervous system

Trait	Hvor ofte den forekommer
Epilepsy	Alltid
Headache	Noen ganger (5–29 %)

Abnormality of limbs

Trait	Hvor ofte den forekommer
Hip contracture	Sjelden (1–4%)

Abnormality of the digestive system

Trait	Hvor ofte den forekommer
Liver failure	Alltid

Abnormality of the integument

Trait	Hvor ofte den forekommer
Poor wound healing	Ofte (30–79 %)

Constitutional symptom

Trait	Hvor ofte den forekommer
Joint pain	Ofte (30–79 %)

Hvor ofte dette forekommer hos personer med en av genets tilstander, oppgitt som den hyppigste forekomsten blant dem, slik Human Phenotype Ontology registrerer den. Disse sidene beskriver egenskaper og forskningen bak dem. De er ikke en diagnose, og om symptomer bør du spørre lege eller genetisk rådgiver.

Slik er informasjonen samlet

The Human Phenotype Ontology, release 2026-09-01: the traits linked to F8 and how often each is seen. Find out more at hpo.jax.org.

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