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Start free with EleplanLethal hemolytic anemia-genital anomalies syndrome
ORPHA:1046Malformation syndrome
Also called Water-West syndrome
What it is
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.
Key facts
- Prevalence
- <1 / 1 000 000
- Age of onset
- Neonatal
- Inheritance
- Unknown
- Classified as
- Malformation syndrome
Prevalence figures describe populations, not individuals, and are often estimates from a single study. Where the figure is an incidence or a birth prevalence, it says so.
Signs and symptoms
Very common80–99%
7These ranges are how often a sign appears across everyone diagnosed, not a prediction for one person — most people have some of these and not others. Orphanet also records findings that are specifically absent in this disease; those are in the data but not listed here.
ICD-10 codes
ICD-10 has no distinct code for most rare diseases, so many are filed under the nearest available one. A shared code identifies the group, not this disease — the ORPHAcode above is what identifies it.
Cross-references
Orphadata Science: Free access data from Orphanet. © INSERM 1999. Data version 2026-06-23. Available under CC BY 4.0. This is a reference, not medical advice.
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