raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:85451

ATTRV122I amyloidosis

Synonyms: ATTRV122I-related amyloidosis

Type
Clinical subtype
Group
Subtype of disorder
Inheritance
Autosomal dominant
Age of onset
Adult
Status
active

A rare hereditary Transthyretin (TTR)-related systemic amyloidosis (ATTR) with predominant cardiac involvement resulting from myocardial infiltration of abnormal amyloid protein.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enATTRV122I amyloidosisATTRV122I-related amyloidosis
frAmylose ATTRV122IAmylose associée à TTRV122I
deATTRV122I-Amyloidose
esAmiloidosis ATTRV122IAmiloidosis asociada a ATTRV122I
itAmiloidosi ATTRV122IAmiloidosi ATTRV122I-correlata
nlATTRV122I-amyloïdoseATTRV122I-gerelateerde amyloïdose
ptAmiloidose ATTRV122IAmiloidose ATTRV122I-relacionada
plAmyloidoza ATTRV122IAmyloidoza sercowa zależna od TTR · Amyloidoza zależna od ATTRV122I · Kardiomiopatia amyloidowa zależna od TTR · Kardiomiopatia ATTR · Rodzinna kardiomiopatia amyloidowa zalezna od transtyretyny · Transtyretynowa kardiomiopatia amyloidowa
csATTRV122I amyloidózaATTR kardiomyopatie · ATTRV122I-vázaná amyloidóza · TTR-vázaná amyloidní kardiomyopatie · TTR-vázaná kardiální amyloidóza · Transthyretin amyloidní kardiopatie · Transthyretin-vázaná familiární amyloidní kardiomyopatie
ukАмілоїдоз ATTRV122IАмілоїдоз, повязаний з ATTRV122I
zhV122I突变型转甲状腺素蛋白型淀粉样变性转甲状腺素蛋白相关性家族淀粉样变性心肌病
trATTRV122I amiloidozATTR kardiyomiyopati · ATTRV122I-ilişkili amiloidoz · TTR-ilişkili kardiyak amiloidoz · Transtiretin amiloid kardiyopati · TTR-ilişkili amiloid kardiyomiyopati · Transtiretin-ilişkili ailesel amiloid kardiyomiyopati

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM105210NTBTvalidated
ICD-10E85.4NTBTattributedvalidated
ICD-115D00.20NTBTindexvalidated
MONDO0019441Evalidated
UMLSC4275067Evalidated

E exact · NTBT this ORPHAcode is narrower than the target · BTNT broader than the target · ND not decided.

3

Classification

Preferential parent (Orphanet linearisation):

Parents in the classifications (2):

No children.

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
TTRDisease-causing germline mutation(s) inAssessedHGNC:12405ENSG0000011827117630018q12.1transthyretin11752443[PMID]_25551524[PMID]
5

Prevalence and incidence

1 record
TypeClassValueAreaQualificationValidationSource
Point prevalenceUnknown—WorldwideClass onlyNot yet validatedORPHANET

Value is Orphadata's ValMoy: the mean estimate per 100 000 for prevalence and incidence, the number of cases or families for case reports.

6

HPO phenotypes

25 annotations · validated 2021-10-07
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0003115Abnormal EKG
HP:0001692Atrial arrhythmia
HP:0030843Cardiac amyloidosis
HP:0031185Increased circulating NT-proBNP concentration
HP:0410174Increased circulating troponin T concentration
Frequent (79-30%)
HP:0005150Abnormal atrioventricular conduction
HP:0011675Arrhythmia
HP:0001640Cardiomegaly
HP:0001639Hypertrophic cardiomyopathy
HP:0012664Reduced left ventricular ejection fraction
HP:0001723Restrictive cardiomyopathy
Occasional (29-5%)
HP:0012332Abnormal autonomic nervous system physiology
HP:0025028Abnormality of enteric nervous system morphology
HP:0001903Anemia
HP:0001681Angina pectoris
HP:0001635Congestive heart failure
HP:0012185Constrictive median neuropathy
HP:0001712Left ventricular hypertrophy
HP:0003416Spinal canal stenosis
HP:0001297Stroke
HP:0100550Tendon rupture
HP:0001907Thromboembolism
Very rare (<4-1%)
HP:0001650Aortic valve stenosis
HP:0009830Peripheral neuropathy
HP:0001271Polyneuropathy

Run the differential on the 5 obligate / very frequent terms

Annotation source: 31171094[PMID]_20301373[PMID]

7

Sources for this card