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Start free with EleplanWiedemann-Steiner syndrome
ORPHA:319182Malformation syndrome
Also called Hypertrichosis-short stature-facial dysmorphism-developmental delay syndrome
What it is
A rare, genetic multiple congenital anomalies/dysmorphic syndrome characterized by short stature, hypertrichosis (most commonly of the back or elbow regions), facial dysmorphism, behavioral problems, developmental delay and, most commonly, mild to moderate intellectual disability.
Key facts
- Prevalence
- <1 / 1 000 000
- Age of onset
- Childhood, Infancy, Neonatal
- Inheritance
- Autosomal dominant
- 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
Common30–79%
27- Abnormality of the elbow
- Abnormal repetitive mannerisms
- Accelerated skeletal maturation
- Aggressive behavior
- Anxiety
- Atypical behavior
- Congenital, generalized hypertrichosis
- Decreased response to growth hormone stimulation test
- Delayed gross motor development
- Delayed skeletal maturation
- Dysphagia
- Facial asymmetry
- Feeding difficulties
- Hyperactivity
- Hypertelorism
- Hypotonia
- Long eyelashes
- Long philtrum
- Low frustration tolerance
- Postnatal growth retardation
- Round face
- Short attention span
- Short palpebral fissure
- Tapered finger
- Thick eyebrow
- Thin upper lip vermilion
- Wide nasal bridge
These 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.
Gene
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.
Related health topics
Reached through the ICD-10 categories this disease is filed under, so these describe the broader group rather than this disease specifically.
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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