raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:761

Immunoglobulin A vasculitis

Synonyms: Anaphylactoid purpura · Henoch-Schönlein purpura · IgA vasculitis · Purpura rheumatica · Rheumatoid purpura

Type
Disease
Group
Disorder
Inheritance
Not applicable
Age of onset
Childhood
Status
active

A rare, small-vessel vasculitis characterized by skin purpura, arthritis, abdominal and/or renal involvement, IgA tissue deposits (arterioles, capillaries, and venules) and circulating IgA immune complexes.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enImmunoglobulin A vasculitisAnaphylactoid purpura · Henoch-Schönlein purpura · IgA vasculitis · Purpura rheumatica · Rheumatoid purpura
frVascularite à immunoglobulines APurpura anaphylactique · Purpura de Henoch-Schönlein · Purpura rhumatoïde · Vascularite à IgA
deImmunoglobulin A-VaskulitisIgA-Vaskulitis · Purpura Schönlein-Henoch · Purpura rheumatica · Purpura, anaphylaktoide · Rheumatische Purpura · Schoenlein-Henoch-Purpura
esVasculitis por inmunoglobulina APúrpura anafilactoide · Púrpura de Henoch-Schönlein · Púrpura reumatoide · Púrpura reumática · Vasculitis IgA
itVasculite da immuglobuline APorpora anafilattoide · Porpora di Henoch-Schönlein · Porpora reumatica · Porpora reumatoide · Vasculite da IgA
nlImmunoglobuline A-vasculitisAnafylactoïde purpura · IgA-vasculitis · Purpura rheumatica · Purpura van Henoch-Schönlein · Reumatoïde purpura
ptVasculite Imunoglobulina APúrpura anafilática · Púrpura de Henoch-Schönlein · Púrpura reumatóide · Púrpura reumática · Vasculite IgA
plplamica Henocha i SchönleinaCzerwienica reumatyczna · plamica rzekomoanafilaktyczna · Zapalenie naczyń związane z immunoglobuliną A
csImunoglobulin A vaskulitidaAnafylaktoidní purpura · Henochova-Schönleinova purpura · IgA vaskulitida · Revmatická purpura · Revmatoidní purpura · Henoch-Schönleinova purpura
ukВаскуліт, асоційований з імуноглобуліном ААнафілактоїдна пурпура · Пурпура Геноха-Шенлейна · Васкуліт IgA · Ревматична пурпура · Ревматоїдна пурпура
zhIgA血管炎Henoch-Schönlein紫癜
trİmmünoglobulin A vaskülitiIgA vasküliti · Purpura romatika · Romatoid purpura · Anafilaktoid purpura · Henoch-Schönlein purpurası

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10D69.0NTBTinclusionvalidated
ICD-114A44.92Especificvalidated
MONDO0019167Evalidated
MeSHD011695Evalidated
UMLSC0034152Evalidated
GARD8204Evalidated
MedDRA10082960Evalidated

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 (4):

No children.

4

Genes

0 direct

Orphanet records no gene directly on this code.

5

Prevalence and incidence

8 records
TypeClassValueAreaQualificationValidationSource
Annual incidence6-9 / 10 00055.9 / 100 000Korea, Republic ofValue and classValidated36263029[PMID]
Annual incidence1-5 / 10 00030 / 100 000FranceValue and classValidated36263029[PMID]
Annual incidence1-9 / 100 0006.79 / 100 000CroatiaValue and classValidated36263029[PMID]
Annual incidence1-5 / 10 00013 / 100 000United KingdomValue and classValidated36263029[PMID]
Annual incidence1-9 / 100 0006.1 / 100 000NetherlandsValue and classValidated36263029[PMID]
Annual incidence1-5 / 10 00017.55 / 100 000SwedenValue and classValidated36263029[PMID]
Annual incidence1-9 / 100 00012.9 / 100 000Taiwan, Province of ChinaValue and classValidated36263029[PMID]
Point prevalenceUnknown—WorldwideClass onlyValidated36263029[PMID]_ORPHANET

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

34 annotations · validated 2016-06-01
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0002027Abdominal pain
HP:0002829Arthralgia
HP:0000978Bruising susceptibility
HP:0005244Gastrointestinal infarctions
HP:0000790Hematuria
HP:0002017Nausea and vomiting
HP:0000979Purpura
HP:0200039Pustule
HP:0000988Skin rash
HP:0002633Vasculitis
Frequent (79-30%)
HP:0002039Anorexia
HP:0001369Arthritis
HP:0010783Erythema
HP:0001945Fever
HP:0002383Infectious encephalitis
HP:0002076Migraine
HP:0003326Myalgia
HP:0100796Orchitis
HP:0200042Skin ulcer
HP:0011276Vascular skin abnormality
Occasional (29-5%)
HP:0100665Angioedema
HP:0000969Edema
HP:0100534Episcleritis
HP:0002239Gastrointestinal hemorrhage
HP:0100820Glomerulopathy
HP:0004374Hemiplegia/hemiparesis
HP:0012733Macule
HP:0001324Muscle weakness
HP:0000648Optic atrophy
HP:0000093Proteinuria
HP:0000083Renal insufficiency
HP:0002091Restrictive ventilatory defect
HP:0001250Seizure
HP:0001025Urticaria

Run the differential on the 10 obligate / very frequent terms

7

Sources for this card