raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:168782

Childhood disintegrative disorder

Synonyms: Dementia infantilis · Heller syndrome

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

Childhood disintergrative disorder is a rare pervasive developmental disorder with a disease onset before the age of three and characterized by a dramatic loss of behavioral and developmental functioning after atleast two years of normal development. Manifestations of the disease include loss of speech, incontinence, communication and social interaction problems, stereotypical autistic behaviors and dementia.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enChildhood disintegrative disorderDementia infantilis · Heller syndrome
frSyndrome désintégratif de l'enfanceDémence infantile · Syndrome de Heller
deDesintegrative Störung der KindheitDementia Infantilis · Heller-Syndrom
esTrastorno desintegrativo infantilDemencia infantil · Dementia infantilis · Síndrome de Heller
itDisturbo disintegrativo dell'infanziaDemenza infantile · Sindrome di Heller
nlDesintegratiestoornis in de kindertijdDementia infantilis · Syndroom van Heller
ptDoença desintegrativa infantil
plDziecięce zaburzenie dezintegracyjneDemencja dziecięca · Zespół Hellera
csDětská dezintegrační poruchaInfantilní demence · Hellerův syndrom
ukДитячий дезінтеграційний розладДитяча деменція · Синдром Геллера
zh儿童期精神分裂症婴儿痴呆
trÇocukluk dönemi dezintegratif bozukluğuHeller sendromu · Demans infantilis

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10F84.3Especificvalidated
ICD-116A02.3NTBTindexvalidated
MONDO0015681Evalidated
UMLSC0236791Evalidated
GARD6040Evalidated
MedDRA10008522Evalidated

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 (1):

No children.

4

Genes

0 direct

Orphanet records no gene directly on this code.

5

Prevalence and incidence

1 record
TypeClassValueAreaQualificationValidationSource
Point prevalence1-9 / 100 0002 / 100 000EuropeValue and classNot 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.

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HPO phenotypes

16 annotations · validated 2018-10-17
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0100851Abnormal emotion/affect behavior
HP:0000729Autistic behavior
HP:0001268Mental deterioration
HP:0007064Progressive language deterioration
Frequent (79-30%)
HP:0000733Abnormal repetitive mannerisms
HP:0001344Absent speech
HP:0000739Anxiety
HP:0002607Bowel incontinence
HP:0012760Reduced social responsiveness
HP:0007086Social and occupational deterioration
HP:0000020Urinary incontinence
Occasional (29-5%)
HP:0000726Dementia
HP:0002376Developmental regression
HP:0010864Intellectual disability, severe
HP:0002333Motor deterioration
Very rare (<4-1%)
HP:0001250Seizure

Run the differential on the 4 obligate / very frequent terms

Annotation source: 28392909[PMID]

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Sources for this card