raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:3027

Caudal regression syndrome

Synonyms: Caudal dysgenesis syndrome · Caudal dysplasia · Caudal regression sequence

Type
Malformation syndrome
Group
Disorder
Inheritance
Multigenic/multifactorial, Not applicable
Age of onset
Antenatal, Neonatal
Status
active

A rare congenital malformation of the lower spinal segments characterized by a high truncated conus with either aplasia or hypoplasia of the sacrum and lumbar spine. Coexisting malformations of gastrointestinal, genitourinary, skeletal, nervous system are commonly described.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enCaudal regression syndromeCaudal dysgenesis syndrome · Caudal dysplasia · Caudal regression sequence
frSyndrome de régression caudaleDysplasie caudale · Syndrome de dysgénésie caudale · Séquence de régression caudale
deKaudales RegressionssyndromDysplasie, kaudale · Kaudale Regressionssequenz
esSíndrome de regresión caudalDisplasia caudal · Secuencia de regresión caudal · Síndrome de disgenesia caudal
itSindrome da regressione caudaleDisplasia caudale · Sequenza da regressione caudale · Sindrome da disgenesia caudale
nlCaudale regressie-syndroomCaudale dysgenesie-syndroom · Caudale dysplasie · Caudale regressie-sequentie
ptSíndrome de regressão caudalDisplasia caudal · Síndrome de disgenésia caudal
plSekwencja regresji kaudalnejDysplazja kaudalna · Zespół agnezji krzyżowej · Zespół regresji krzyżowej · Zespół regresji kaudalnej
csSyndrom kaudální regreseKaudální dysplázie · Syndrom sakrální ageneze
ukСиндром каудальної регресіїСиндром каудального дисгенезу · Каудальна дисплазія · Послідовність каудальної регресії
zh尾部退化综合征骶骨退化综合征
trKaudal regresyon dizisiKaudal displazi · Sakral agenezi sendromu · Sakral regresyon sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM600145NTBTvalidated
ICD-10Q76.0NTBTattributedvalidated
ICD-11LD2F.1YNTBTindexvalidated
MONDO0017607Evalidated
UMLSC0300948Evalidated
GARD6007Evalidated
MedDRA10059387Evalidated

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 (4):

No children.

Codes that Orphanet moved or referred to this one:

4

Genes

2 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
FUZDisease-causing germline mutation(s) inAssessedHGNC:26219ENSG0000001036161062219q13.33fuzzy planar cell polarity protein21840926[PMID]
VANGL1Major susceptibility factor inAssessedHGNC:15512ENSG000001732186101321p13.1VANGL planar cell polarity protein 117409324[PMID]
5

Prevalence and incidence

3 records
TypeClassValueAreaQualificationValidationSource
Point prevalenceUnknown—WorldwideClass onlyValidatedORPHANET
Prevalence at birthUnknown—WorldwideClass onlyValidatedORPHANET
Prevalence at birth1-9 / 100 0001.75 / 100 000AustraliaValue and classValidated20734338[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.

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HPO phenotypes

29 annotations · validated 2016-06-01
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0005640Abnormal vertebral segmentation and fusion
HP:0002644Abnormality of pelvic girdle bone morphology
HP:0011867Abnormality of the wing of the ilium
HP:0008517Aplasia/Hypoplasia of the sacrum
HP:0002607Bowel incontinence
HP:0003199Decreased muscle mass
HP:0008479Hypoplastic vertebral bodies
HP:0100710Impulsivity
HP:0009800Maternal diabetes
Frequent (79-30%)
HP:0030680Abnormal cardiovascular system morphology
HP:0000069Abnormality of the ureter
HP:0002023Anal atresia
HP:0000086Ectopic kidney
HP:0001387Joint stiffness
HP:0001315Reduced tendon reflexes
HP:0000104Renal agenesis
HP:0002650Scoliosis
HP:0001762Talipes equinovarus
HP:0000073Ureteral duplication
HP:0000076Vesicoureteral reflux
Occasional (29-5%)
HP:0000062Ambiguous genitalia
HP:0002139Arrhinencephaly
HP:0002308Chiari malformation
HP:0000028Cryptorchidism
HP:0000822Hypertension
HP:0000921Missing ribs
HP:0000202Orofacial cleft
HP:0002089Pulmonary hypoplasia
HP:0000083Renal insufficiency

Run the differential on the 9 obligate / very frequent terms

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Sources for this card