raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:1046

Lethal hemolytic anemia-genital anomalies syndrome

historical

Synonyms: Water-West syndrome

Type
Malformation syndrome
Group
Disorder
Inheritance
Unknown
Age of onset
Neonatal
Status
historical

A rare genetic disease characterized by lethal non-spherocytic, non-immune hemolytic anemia, in association with abnormalities of the external genitalia (such as micropenis and hypospadias). Reported dysmorphic features include flat occiput, dimpled earlobes, deep plantar creases, and increased space between the first and second toes. There have been no further descriptions in the literature since 1995.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enLethal hemolytic anemia-genital anomalies syndromeWater-West syndrome
frSyndrome d'anémie hémolytique létale-anomalies génitalesSyndrome de Waters-West
deLetale hämolytische Anämie-Genitalfehlbildungen-SyndromWaters-West-Syndrom
esSíndrome de anemia hemolítica letal-anomalías genitales
itSindrome da anemia emolitica letale-anomalie dei genitali
nlLetale hemolytische anemie - genitale anomalieën-syndroomSyndroom van Waters-West
ptSíndrome de anemia hemolítica letal-anomalias genitais
plŚmiertelna anemia hemolityczna - anomalie narządów płciowychZespół Watera i Westa
csSyndrom zahrnující letální hemolytickou anémii a anomálie genitáluWatersové-Westové syndrom · Waters-Westové syndrom
ukСиндром летальної гемолітичної анемії-генітальних аномалійСиндром Вотер-Вест
zh致死性溶血性贫血-生殖器异常综合征Water-West综合征
trLetal hemolitik anemi-genital anomaliler sendromuWater-West sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM600461Evalidated
ICD-10D58.8NTBTattributedvalidated
ICD-113A10.YNTBTattributedvalidated
MONDO0010891Evalidated
UMLSC4304746Evalidated
GARD2642Evalidated

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 (2):

No children.

4

Genes

0 direct

Orphanet records no gene directly on this code.

5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families2 casesWorldwideCase(s)Validated7726230[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_7726230[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

20 annotations · validated 2016-06-01
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0000929Abnormal skull morphology
HP:0000069Abnormality of the ureter
HP:0001903Anemia
HP:0008736Hypoplasia of penis
HP:0001562Oligohydramnios
HP:0002093Respiratory insufficiency
HP:0001852Sandal gap
Frequent (79-30%)
HP:0001928Abnormality of coagulation
HP:0006703Aplasia/Hypoplasia of the lungs
HP:0001541Ascites
HP:0000457Depressed nasal ridge
HP:0000047Hypospadias
HP:0001252Hypotonia
HP:0000252Microcephaly
HP:0000347Micrognathia
HP:0000160Narrow mouth
HP:0001561Polyhydramnios
HP:0008678Renal hypoplasia/aplasia
HP:0001744Splenomegaly
HP:0000233Thin vermilion border
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Sources for this card