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Start free with EleplanArthrogryposis-anterior horn cell disease syndrome
ORPHA:53696Malformation syndrome
Also called AAHD · Vuopala disease
What it is
A rare arthrogryposis syndrome characterized by the association of arthrogryposis multiplex congenita and a severe form of motor neuron disease with loss of anterior horn cells in the spinal cord. Patients present with fetal akinesia deformation sequence with multiple contractures and facial anomalies, such as low-set ears, hypoplastic jaw, and short neck, as well as hypotonia and respiratory insufficiency. Some patients may survive into childhood and show developmental delay, markedly decreased muscle bulk, dystonic and involuntary movements, ataxia, and poor speech.
Key facts
- Prevalence
- <1 / 1 000 000
- Age of onset
- Antenatal
- Inheritance
- Autosomal recessive
- 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.
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.
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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