raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:1314

Symmetrical thalamic calcifications

Synonyms: Bilateral symmetrical thalamic gliosis

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

Symmetrical thalamic calcifications are clinically distinguished by a low Apgar score, spasticity or marked hypotonia, weak or absent cry, poor feeding, and facial diplegia or weakness.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enSymmetrical thalamic calcificationsBilateral symmetrical thalamic gliosis
frCalcifications thalamiques symétriquesGliose thalamique symétrique bilatérale
deThalamus-Kalzifikationen, symmetrischeBilaterale symmetrische Gliose des Thalamus
esCalcificaciones talámicas simétricasGliosis talámica bilateral simétrica
itCalcificazioni talamiche simmetriche
nlSymmetrische thalamische calcificatiesBilaterale symmetrische thalamische gliose
ptCalcificações talâmicas simétricas
plSymetryczne zwapnienia wzgórzaObstronna symetryczna glejoza wzgórza
csSymetrické kalcifikace v oblasti thalamu= en
ukСиметричні кальцифікати таламусаДвосторонній симетричний гліоз таламуса
zh对称性丘脑钙化双侧对称性丘脑胶质增生
trSimetrik talamik kalsifikasyonlarBilateral simetrik talamik gliosis

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10G93.8NTBTattributedvalidated
MONDO0015269Evalidated
UMLSC4304914Evalidated
GARD5070Evalidated

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.

Codes that Orphanet moved or referred to this one:

4

Genes

0 direct

Orphanet records no gene directly on this code.

5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families30 casesWorldwideCase(s)Validated28063749[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_28063749[PMID]

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

16 annotations · validated 2016-06-01
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0001251Ataxia
HP:0002514Cerebral calcification
HP:0100543Cognitive impairment
HP:0002353EEG abnormality
HP:0001276Hypertonia
HP:0001315Reduced tendon reflexes
HP:0002093Respiratory insufficiency
HP:0001257Spasticity
HP:0001612Weak cry
Frequent (79-30%)
HP:0002269Abnormality of neuronal migration
HP:0001608Abnormality of the voice
HP:0011675Arrhythmia
HP:0001508Failure to thrive
HP:0000252Microcephaly
HP:0001561Polyhydramnios
HP:0001250Seizure

Run the differential on the 9 obligate / very frequent terms

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Sources for this card