raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:83601

Steroid-responsive encephalopathy associated with autoimmune thyroiditis

Synonyms: Hashimoto encephalitis · SREAT

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

Steroid-responsive encephalopathy associated with autoimmune thyroiditis (SREAT) is a rare, acquired, neurological disease characterized by encephalopathy associated with elevated antithyroid antibodies, in the absence of other causes. Clinical presentation varies from minor cognitive impairment to status epilepticus and coma, and frequently includes seizures, confusion, speech disorder, memory impairment, ataxia and psychiatric manifestations.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enSteroid-responsive encephalopathy associated with autoimmune thyroiditisHashimoto encephalitis · SREAT
frEncéphalopathie sensible aux stéroïdes associée à une thyroïdite auto-immuneEncéphalite de Hashimoto · SREAT
deSteroid-responsive Enzephalopathie mit assoziierter Autoimmun-ThyroiditisHashimoto-Enzephalitis · SREAT
esEncefalopatía sensible a esteroides asociada a tiroiditis autoinmuneEncefalitis de Hashimoto · SREAT
itEncefalopatia sensibile agli steroidi associata alla tiroidite autoimmuneEncefalite di Hashimoto · SREAT
nlSteroïdresponsieve encefalopathie geassocieerd met auto-immuunthyreoïditisHashimoto-encefalitis · SREAT
ptEncefalite sensível aos esteróides associada a tiroidite autoimuneEncefalite de Hashimoto
plEncefalopatia wrażliwa na steroidy z towarzyszącym autoimmunologicznym zapaleniem tarczycySREAT · Zapalenie mózgu Hashimoto
csEncefalopatie asociovaná s autoimunitní thyroiditidou odpovídající na steroidyHashimotova encefalitida · SREAT
ukСтероїдозалежна енцефалопатія, повязана з аутоімунним тиреоїдитомЕнцефаліт Хашимото · SREAT
zh自身免疫性甲状腺炎相关激素敏感性脑炎桥本脑炎
trOtoimmün tiroidit-ilişkili steroide duyarlı ensefalopatiSREAT · Hashimoto ensefaliti

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10G04.8NTBTattributedvalidated
ICD-118E4A.0NTBTindexvalidated
MONDO0019385Evalidated
MeSHC535841Evalidated
UMLSC0393639Evalidated
GARD8570Evalidated
MedDRA10069432Evalidated

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 (4):

No children.

4

Genes

0 direct

Orphanet records no gene directly on this code.

5

Prevalence and incidence

1 record
TypeClassValueAreaQualificationValidationSource
Point prevalence<1 / 1 000 000—EuropeClass 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 2016-11-02
HPOTerm (as annotated by Orphanet)Diagnostic
Obligate (100%)
HP:0006846Acute encephalopathy
Very frequent (99-80%)
HP:0005318Cerebral vasculitis
HP:0000872Hashimoto thyroiditis
Frequent (79-30%)
HP:0002500Abnormal cerebral white matter morphology
HP:0001289Confusion
HP:0000853Goiter
HP:0002902Hyponatremia
HP:0000821Hypothyroidism
HP:0003470Paralysis
Occasional (29-5%)
HP:0012332Abnormal autonomic nervous system physiology
HP:0009102Anterior open-bite malocclusion
HP:0000739Anxiety
HP:0000716Depression
HP:0001945Fever
HP:0007359Focal-onset seizure
HP:0002197Generalized-onset seizure
HP:0002315Headache
HP:0002721Immunodeficiency
HP:0001974Increased total leukocyte count
HP:0002017Nausea and vomiting
HP:0000709Psychosis
HP:0002133Status epilepticus
HP:0001873Thrombocytopenia
Very rare (<4-1%)
HP:0005991Limited neck flexion
Excluded (0%)
HP:0002181Cerebral edema

Run the differential on the 3 obligate / very frequent terms

Annotation source: 25540320[PMID]_11158076[PMID]_11835965[PMID]_21511782[PMID]_12949305[PMID]_16476807[PMID]

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Sources for this card