Cerebellar ataxia-hypogonadism syndrome

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Cerebellar ataxia-hypogonadism syndrome

ORPHA:1173Disease

Also called Gordon-Holmes syndrome · Luteinizing hormone-releasing hormone deficiency with ataxia

What it is

Cerebellar ataxia-hypogonadism syndrome is a very rare autosomal recessive neurodegenerative disorder characterized by the combination of progressive cerebellar ataxia with onset from early childhood to the fourth decade, and hypogonadotropic hypogonadism (delayed puberty and lack of secondary sex characteristics). Cerebellar ataxia-hypogonadism syndrome belongs to a clinical continuum of neurodegenerative disorders along with clinically overlapping disorders such as ataxia-hypogonadism-choroidal dystrophy syndrome.

Key facts

Age of onset
Adolescent, Adult, Childhood
Inheritance
Autosomal recessive
Classified as
Disease

Signs and symptoms

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.

Genes

PNPLA6Disease-causing germline mutation(s)
RNF216Disease-causing germline mutation(s) (loss of function)

ICD-10 codes

G11.8filed under a broader ICD-10 category — shared with 38 other rare diseases

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

GARD 3314MESH C565870MONDO 0008935OMIM 212840OMIM 605672UMLS C1859305

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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