raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:1671

Split cord malformation type I

Synonyms: Diastematomyelia · SCM type 1 · SCM type I · Split cord malformation type 1

Type
Morphological anomaly
Group
Disorder
Age of onset
Adolescent, Adult, Childhood, Infancy
Status
active

A rare subtype of split cord malformation characterized by each hemicord contained in its own dural sac, typically with a intervening bony septum.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enSplit cord malformation type IDiastematomyelia · SCM type 1 · SCM type I · Split cord malformation type 1
frMoelle épinière dédoublée type IDiastématomyélie · Moelle épinière dédoublée type 1 · SCM type 1 · SCM type I
deSplit-Cord-Malformation Typ IDiastematomyelie · SCM Typ 1 · SCM Typ I
esMalformación de médula espinal hendida tipo IMalformación de médula espinal hendida tipo 1 · SCM tipo 1 · SCM tipo I
itMalformazione da fissurazione longitudinale del midollo spinale tipo I
nlGespleten ruggenmerg-malformatie type IGespleten ruggenmerg-malformatie type 1 · SCM type 1 · SCM type I
ptMalformação do cordão dividido tipo I
plRozdwojenie rdzenia kręgowego typu 1= en
csDiastematomyelie, typ 1= en
ukРозщеплення пуповини, тип IДіастематомієлія · SCM тип 1 · SCM тип I · Розщеплення пуповини, тип 1
zh脊髓分裂畸形1型脊髓分裂畸形1型
trAyrık omurilik malformasyonu tip ISCM tipi 1 · SCM tip I · Ayrık kordon malformasyonu tip 1

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM222500Evalidated
ICD-10Q06.2Especificvalidated
ICD-11LA07.1NTBTattributedvalidated
MONDO0009106Evalidated
UMLSC5566552Evalidated
GARD1851Evalidated
MedDRA10012750Evalidated

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 prevalenceUnknown—WorldwideClass onlyValidatedORPHANET_22371545[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

3 annotations · validated 2016-06-01
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0100563Diastomatomyelia
Frequent (79-30%)
HP:0002230Generalized hirsutism
HP:0002650Scoliosis

Run the differential on the 1 obligate / very frequent terms

7

Sources for this card