raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:93585

Immune-mediated thrombotic thrombocytopenic purpura

Synonyms: Acquired TTP · Acquired thrombotic thrombocytopenic purpura · Autoimmune thrombotic thrombocytopenic purpura · Thrombotic thrombocytopenic purpura due to anti-ADAMTS-13 antibodies · aTTP · iTTP

Type
Clinical subtype
Group
Subtype of disorder
Inheritance
Multigenic/multifactorial
Age of onset
All ages
Status
active

A rare, non-hereditary thrombotic thrombocytopenic purpura (TTP), characterized by profound peripheral thrombocytopenia, microangiopathic hemolytic anemia (MAHA) and single or multiple organ failure of variable severity.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enImmune-mediated thrombotic thrombocytopenic purpuraAcquired TTP · Acquired thrombotic thrombocytopenic purpura · Autoimmune thrombotic thrombocytopenic purpura · Thrombotic thrombocytopenic purpura due to anti-ADAMTS-13 antibodies · aTTP · iTTP
frPurpura thrombotique thrombocytopénique d'origine immunitairePTT acquis · Purpura thrombotique thrombocytopénique acquis · Purpura thrombotique thrombocytopénique associé aux anticorps anti-ADAMTS-13 · Purpura thrombotique thrombocytopénique d'origine auto-immune · TTP acquis
deThrombotisch-thrombozytopenische Purpura, immun-vermittelteAutoimmune thrombotisch-thrombozytopenische Purpura · Erworbene TTP · aTTP · iTTP
esPúrpura trombótica trombocitopénica inmunomediadaPTT adquirida · Púrpura trombocitopénica trombótica autoinmune · Púrpura trombocitopénica trombótica por anticuerpos anti-ADAMTS-13
itPorpora trombotica trombocitopenica immuno-mediataPorpora trombotica trombocitopenica acquisita da anticorpi anti-ADAMTS 13 · Porpora trombotica trombocitopenica autoimmune · TTP acquisita
nlImmuungemedieerde trombotische trombocytopenische purpuraAuto-immune trombotische trombocytopenische purpura · Trombotische trombocytopenische purpura door anti-ADAMTS-13-antilichamen · Verworven TTP · Verworven trombotische trombocytopenische purpura · aTTP · iTTP
ptPúrpura trombocitopénica trombótica imunomediadaPúrpura trombocitopénica trombótica adquirida por anticorpos anti-ADAMTS 13
plNabyta plamica zakrzepowa małopłytkowaAutoimmunologiczna plamica zakrzepowa małopłytkowa · Nabyta TTP
csZískaná trombotická trombocytopenická purpuraZískaná TTP · Autoimunitní trombotická trombocytopenická purpura
ukІмуноопосередкована тромботична тромбоцитопенічна пурпураНабута тромботична тромбоцитопенічна пурпура · Набутий ТТП · aTTП · Аутоімунна тромботична тромбоцитопенічна пурпура · iTTП · Тромботична тромбоцитопенічна пурпура, спричинена анти-АДАМТС-13 антитілами
zh获得性血栓性血小板减少性紫癜抗ADAMTS抗体所致血栓性血小板减少性紫癜
trEdinsel trombotik trombositopenik purpuraEdinsel TTP · Otoimmün trombotik trombositopenik purpura · Anti-ADAMTS-13 antikorlarına bağlı trombotik trombositopenik purpura

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10M31.1NTBTattributedvalidated
ICD-113B64.14NTBTindexvalidated
MONDO0019740Evalidated
MeSHC536901Evalidated
UMLSC2584778Evalidated
GARD4607Evalidated

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

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Classification

Preferential parent (Orphanet linearisation):

Parents in the classifications (1):

No children.

4

Genes

0 direct

Orphanet records no gene directly on this code.

5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Annual incidence1-9 / 1 000 000—EuropeClass onlyValidatedORPHANET
Point prevalenceUnknown—WorldwideClass onlyValidatedORPHANET

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

41 annotations · validated 2024-02-28
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:6000462Anti-ADAMTS13 antibody positivity
HP:0001937Microangiopathic hemolytic anemia
HP:0000979Purpura
HP:0001873Thrombocytopenia
Frequent (79-30%)
HP:0002027Abdominal pain
HP:0002829Arthralgia
HP:0001259Coma
HP:0001289Confusion
HP:0002014Diarrhea
HP:0002094Dyspnea
HP:0012378Fatigue
HP:0001945Fever
HP:0002315Headache
HP:0000790Hematuria
HP:0002904Hyperbilirubinemia
HP:0025435Increased circulating lactate dehydrogenase concentration
HP:0410173Increased circulating troponin I concentration
HP:0033404Intestinal ischemia
HP:0003419Low back pain
HP:0001324Muscle weakness
HP:0003326Myalgia
HP:0002018Nausea
HP:0000093Proteinuria
HP:0020181Reduced haptoglobin level
HP:0001923Reticulocytosis
HP:0001981Schistocytosis
HP:0001250Seizure
HP:0001297Stroke
HP:0008282Unconjugated hyperbilirubinemia
Occasional (29-5%)
HP:0003115Abnormal EKG
HP:0001919Acute kidney injury
HP:0002381Aphasia
HP:0011675Arrhythmia
HP:0030149Cardiogenic shock
HP:0100749Chest pain
HP:0001635Congestive heart failure
HP:0000651Diplopia
HP:0003259Elevated circulating creatinine concentration
HP:0003138Increased blood urea nitrogen
HP:0001658Myocardial infarction
HP:0001645Sudden cardiac death

Run the differential on the 4 obligate / very frequent terms

Annotation source: 33540569[PMID]_30531363[PMID]_28416507[PMID]_28382967[PMID]_31107120[PMID]

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Sources for this card