raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:2437

Czeizel-Losonci syndrome

historical

Synonyms: Split hand with obstructive uropathy, spina bifida and diaphragmatic defects · Split hand-urinary anomalies-spina bifida syndrome

Type
Malformation syndrome
Group
Disorder
Inheritance
Autosomal dominant
Age of onset
Antenatal, Infancy, Neonatal
Status
historical

Czeizel-Losonci syndrome (CLS) is an exceedingly rare, severe, congenital genetic malformation disorder characterized by split hand/split foot, hydronephrosis, and spina bifida. Spinal and skeletal manifestations were thoracolumbar scoliosis, spina bifida (spina bifida occulta or spina bifida cystic), Bochdalek diaphragmatic hernia, and radial defects. There have been no further descriptions in the literature since 1987.

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Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enCzeizel-Losonci syndromeSplit hand with obstructive uropathy, spina bifida and diaphragmatic defects · Split hand-urinary anomalies-spina bifida syndrome
frSyndrome de Czeizel-LosonciSyndrome de mains fendues-uropathie-spina bifida-diaphragme anormal
deCzeizel-Losonci-SyndromSpalthand - Harnwegsanomalien - Spina bifida · Spalthand mit obstruktiver Uropathie, Spina bifida und Zwerchfell-Defekt
esSíndrome de Czeizel-LosonciMano hendida con uropatía obstructiva, espina bífida y defectos diafragmáticos · Mano hendida-anomalías urinarias-espina bífida
itSindrome di Czeizel-LosonciSchisi della mano - anomalie urinarie - spina bifida · Schisi della mano con uropatia ostruttiva, spina bifida e anomalie del diaframma
nlSyndroom van Czeizel-LosonciGespleten hand - urineweganomalieën - spina bifida-syndroom · Gespleten hand met obstructieve uropathie, spina bifida en diafragmadefecten
ptSíndrome Czeizel-LosonciSíndrome de ectrodactilia das mãos com uropatia obstrutiva, espinha bífida e defeitos diafragmáticos · Síndrome de ectrodactilia das mãos-anomalias urinárias-espinha bífida
plZespół Czeizela i LosonciRozszczep dłoni - wady układu moczowego - rozszczep kręgosłupa · Rozszep dłoni z uropatią obstrukcyjną, rozszczepem kręgosłupa i wadami przepony
csCzeizelův-Losonciho syndromRozštěp ruky s obstrukční uropatií, spina bifida a defekty bránice · Syndrom zahrnující rozštěp ruky, anomálie močových cest a spina bifida · Czeizel-Losonciho syndrom
ukСиндром Цейзеля-ЛосончіРозщеплена рука з обструктивною уропатією, розщепленням хребта та дефектами діафрагми · Синдром роздвоєння кисті - аномалій сечовивідної системи - spina bifida
zhCzeizel-Losonci综合征分裂手伴尿路梗阻,脊柱裂和膈肌缺陷
trCzeizel-Losonci sendromuBölünmüş el-üriner anomaliler-spina bifida sendromu · Obstrüktif üropati, spina bifida ve diyaframatik defektleri olan ayrık el

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM183802Evalidated
ICD-10Q87.8NTBTattributedvalidated
MONDO0008467Evalidated
MeSHC566662Evalidated
UMLSC1866739Evalidated
GARD4969Evalidated

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 (3):

No children.

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Genes

0 direct

Orphanet records no gene directly on this code.

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Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families3 casesWorldwideCase(s)Validated3308683[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_3308683[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

34 annotations · validated 2019-03-06
HPOTerm (as annotated by Orphanet)Diagnostic
Frequent (79-30%)
HP:0000079Abnormality of the urinary system
HP:0100257Ectrodactyly
HP:0000126Hydronephrosis
HP:0025193Posterolateral diaphragmatic hernia
HP:0002414Spina bifida
HP:0001839Split foot
HP:0012300Ureteral agenesis
Occasional (29-5%)
HP:00107041-2 finger syndactyly
HP:00012332-3 finger syndactyly
HP:00060973-4 finger syndactyly
HP:0045026Abnormal mediastinum morphology
HP:0009112Absent left hemidiaphragm
HP:0100760Clubbing of toes
HP:0008676Congenital megaureter
HP:0001651Dextrocardia
HP:0000218High palate
HP:0001234Hitchhiker thumb
HP:0000238Hydrocephalus
HP:0008589Hypoplastic helices
HP:0002557Hypoplastic nipples
HP:0000347Micrognathia
HP:0002475Myelomeningocele
HP:0000358Posteriorly rotated ears
HP:0008593Prominent antitragus
HP:0002089Pulmonary hypoplasia
HP:0000954Single transverse palmar crease
HP:0000340Sloping forehead
HP:0003298Spina bifida occulta
HP:0000474Thickened nuchal skin fold
HP:0010539Thin calvarium
HP:0002944Thoracolumbar scoliosis
HP:0002575Tracheoesophageal fistula
HP:0000582Upslanted palpebral fissure
HP:0006610Wide intermamillary distance

Annotation source: 18935989[PMID]_8074153[PMID]_3308683[PMID]

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Sources for this card