raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:64744

IgG4-related thyroid disease

Synonyms: Riedel disease · Riedel thyroiditis

Type
Clinical subtype
Group
Subtype of disorder
Inheritance
Not applicable
Age of onset
Adult
Status
active

A fibroinflammatory disorder of the thyroid gland, occuring more frequently in females, characterized a large, hard thyroid mass, and presenting with pressure symptoms (breathing difficulties and dysphagia) or voice hoarseness and aphonia (impingement of recurrent laryngeal nerve). It can often be associated with extracervical fibroinflammatory disorders such as retroperitoneal fibrosis, primary scleroisng cholangitis and autoimmune diseases such as Hashimoto struma, Addison disease, and Biermer disease.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enIgG4-related thyroid diseaseRiedel disease · Riedel thyroiditis
frMaladie thyroïdienne associée à IgG4Maladie de Riedel · Thyroïdite de Riedel
deSchilddrüsenkrankheit, IgG4-assoziierteRiedel-Krankheit · Riedel-Thyreoiditis
esEnfermedad tiroidea asociada a IgG4Enfermedad de Riedel · Tiroiditis de Riedel
itMalattia tiroidea correlata a IgG4Malattia di Riedel · Tiroidite di Riedel
nlIgG4-gerelateerde aandoening van schildklierRiedel-thyreoïditis · Ziekte van Riedel
ptDoença da tiroide IgG4-relacionadaTiroidite de Riedel
plChoroba tarczycy związana z IgG4Choroba Riedela · Zapalenie tarczycy Riedela
csRiedelova strumaRiedelova tyreoiditida · IgG4 asociované onemocnění štítné žlázy
ukЗахворювання щитовидної залози, повязані з IgG4Хвороба Ріделя · Тиреоїдит Ріделя
zhIgG4相关性甲状腺疾病Riedel甲状腺炎
trIgG4-ilişkili tiroid hastalığıRiedel hastalığı · Riedel tiroiditi

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10E06.5NTBTinclusionvalidated
ICD-114A43.0NTBTindexvalidated
MONDO0018992Evalidated
UMLSC0154162Evalidated
MedDRA10039142Evalidated

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

0 direct

Orphanet records no gene directly on this code.

5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Annual incidence1-9 / 100 0001.06 / 100 000United StatesValue and classValidated3906289[PMID]_21832114[PMID]
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 2021-09-14
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0000853Goiter
HP:0100646Thyroiditis
Frequent (79-30%)
HP:0032069Anti-thyroglobulin antibody positivity
HP:0025379Anti-thyroid peroxidase antibody positivity
HP:0000872Hashimoto thyroiditis
HP:0000821Hypothyroidism
HP:0032300Increased circulating IgG4 level
Occasional (29-5%)
HP:0002960Autoimmunity
HP:0002015Dysphagia
HP:0009798Euthyroid goiter
HP:0100647Graves disease
HP:0002901Hypocalcemia
HP:0005994Nodular goiter
HP:0002777Tracheal stenosis
HP:0001605Vocal cord paralysis
Very rare (<4-1%)
HP:0045026Abnormal mediastinum morphology
HP:0032039Abnormality of the ocular adnexa
HP:0012503Abnormality of the pituitary gland
HP:0100732Pancreatic fibrosis
HP:0005200Retroperitoneal fibrosis
HP:0030991Sclerosing cholangitis
HP:0031281Sialadenitis
HP:0011784Thyrotoxicosis with diffuse goiter
Excluded (0%)
HP:0012393Allergy
HP:0002664Neoplasm

Run the differential on the 2 obligate / very frequent terms

Annotation source: 28101487[PMID]_33649038[PMID]_33311000[PMID]_30889549[PMID]

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Sources for this card