raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:96167

Recombinant 8 syndrome

Synonyms: Duplication 8q/deletion 8p · Rec(8) syndrome · Rec8 syndrome · Recombinant chromosome 8 syndrome · San Luis Valley syndrome

Type
Malformation syndrome
Group
Disorder
Inheritance
Unknown
Age of onset
Infancy, Neonatal
Status
active

Recombinant 8 (rec(8)) syndrome, also known as San Luis Valley syndrome, is a complex chromosomal disorder that is due to a parental pericentric inversion of chromosome 8 and is characterized by major congenital heart anomalies, urogenital malformations, moderate to severe intellectual deficiency and mild craniofacial dysmorphism.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enRecombinant 8 syndromeDuplication 8q/deletion 8p · Rec(8) syndrome · Rec8 syndrome · Recombinant chromosome 8 syndrome · San Luis Valley syndrome
frSyndrome du chromosome 8 recombinantDuplication 8q/délétion 8p · Syndrome Rec8 · Syndrome de San Luis Valley
deRekombinantes 8-SyndromDuplikation 8q/Deletion 8p · Rec(8)-Syndrom · Rec8-Syndrom · Rekombinantes Chromosom 8-Syndrom · San Luis Valley-Syndrom
esSíndrome del cromosoma 8 recombinanteDupliación 8q/deleción 8p · Síndrome Rec(8) · Síndrome Rec8 · Síndrome del Valle de San Luis
itSindrome 8 ricombinanteDuplicazione 8q/delezione 8p · Sindrome Rec(8) · Sindrome Rec8 · Sindrome del cromosoma 8 ricombinante · Sindrome di San Luis Valley
nlRecombinant 8-syndroomDuplicatie 8q/deletie 8p · Rec(8)-syndroom · Rec8-syndroom · Recombinant chromosoom 8-syndroom · San-Luis-Valleysyndroom
ptSíndrome de San Luis Valley
plZespół rekombinacji chromosomu 8Duplikacja 8q/delecja 8p · Zespół Rec(8) · Zespół Rec8 · Zespół rekombinowanego chromosomu 8 · Zespół San Luis Valley
csRekombinantní chromozom 8Duplikace 8q/delece 8p · Rec(8) syndrom · Rec8 syndrom · Syndrom rekombinantního chromozomu 8 · Syndrom San Luis Valley
ukСиндром рекомбінантної хромосоми 8Дуплікація 8q/делеція 8p · Синдром Rec(8) · Синдром Rec8 · Синдром рекомбінантної хромосоми 8 · Синдром долини Сан-Луїс
zh8号染色体重组综合征8号染色体重组综合征
trRekombinant 8 sendromuRec8 sendromu · Rec (8) sendromu · San Luis Valley sendromu · Duplikasyon 8q / delesyon 8p · Rekombinant kromozom 8 sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM179613Evalidated
ICD-10Q99.8NTBTattributedvalidated
ICD-11LD41.PNTBTindexvalidated
MONDO0008365Evalidated
MeSHC535296Evalidated
UMLSC0795822Evalidated
GARD9698Evalidated

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 (1):

No children.

4

Genes

0 direct

Orphanet records no gene directly on this code.

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Prevalence and incidence

1 record
TypeClassValueAreaQualificationValidationSource
Point prevalenceUnknown—WorldwideClass 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.

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HPO phenotypes

46 annotations · validated 2016-06-01
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0001999Abnormal facial shape
HP:0000164Abnormality of the dentition
HP:0001595Abnormality of the hair
HP:0000463Anteverted nares
HP:0000028Cryptorchidism
HP:0001869Deep plantar creases
HP:0002714Downturned corners of mouth
HP:0001263Global developmental delay
HP:0000316Hypertelorism
HP:0001249Intellectual disability
HP:0100729Large face
HP:0002162Low posterior hairline
HP:0000347Micrognathia
HP:0001582Redundant skin
Frequent (79-30%)
HP:0030680Abnormal cardiovascular system morphology
HP:0000190Abnormal oral frenulum morphology
HP:0000766Abnormal sternum morphology
HP:0000077Abnormality of the kidney
HP:0000464Abnormality of the neck
HP:0000356Abnormality of the outer ear
HP:0001631Atrial septal defect
HP:0007598Bilateral single transverse palmar creases
HP:0100490Camptodactyly of finger
HP:0000389Chronic otitis media
HP:0004209Clinodactyly of the 5th finger
HP:0005280Depressed nasal bridge
HP:0000212Gingival overgrowth
HP:0000365Hearing impairment
HP:0000050Hypoplastic male external genitalia
HP:0000369Low-set ears
HP:0006443Patellar aplasia
HP:0001643Patent ductus arteriosus
HP:0000767Pectus excavatum
HP:0004415Pulmonary artery stenosis
HP:0002650Scoliosis
HP:0001250Seizure
HP:0000046Small scrotum
HP:0001257Spasticity
HP:0001636Tetralogy of Fallot
HP:0012471Thick vermilion border
HP:0001629Ventricular septal defect
Occasional (29-5%)
HP:0004378Abnormality of the anus
HP:0000478Abnormality of the eye
HP:0000504Abnormality of vision
HP:0000175Cleft palate
HP:0000204Cleft upper lip

Run the differential on the 12 obligate / very frequent terms

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Sources for this card