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Features include always present findings: Short stature, Ataxia, Sensory axonal neuropathy, and Nystagmus and others; and common findings: Enlarged and weakened heart (dilated cardiomyopathy). 56 total HPO annotations.
Organ System | Phenotype Count | Example Features |
|---|---|---|
Brain and nerves | 10 | Ataxia, Sensory axonal neuropathy, Dysarthria |
XRCC4 function has not been fully characterized.
Short stature, microcephaly, and endocrine dysfunction is associated with mutations in the XRCC4 gene on chromosome 5.
Genetic testing for XRCC4 is available. Testing is considered confirmatory for diagnosis.
Phenotype severity distribution: 12 always present features, 1 common feature.
No clinical trials have been registered for short stature, microcephaly, and endocrine dysfunction.
3 publications have been identified in PubMed for short stature, microcephaly, and endocrine dysfunction. Research spans Review / Meta-Analysis (67%) and Case Report / Case Series (33%).
Cuinat S (2025). [PMID: 40114033](https://pubmed.ncbi.nlm.nih.gov/40114033/). *European journal of human genetics : EJHG*. [Case Report / Case Series]
Di Pasquale G (2025). [PMID: 40970566](https://pubmed.ncbi.nlm.nih.gov/40970566/). *Clinical genetics*. [Review / Meta-Analysis]
Samhani C (2024). [PMID: 39243962](https://pubmed.ncbi.nlm.nih.gov/39243962/). *Diabetes & metabolism*. [Review / Meta-Analysis]
Data assembled from 5 of 12 sources · Last updated Sep 20, 2026, 1:03 AM UTC
Online Mendelian Inheritance in Man
Genetic and Rare Diseases Info Center
Kidneys and urinary system
3 |
Renal hypoplasia, Unilateral renal agenesis, Ectopic kidney |
Growth and development | 3 | Short stature, Disproportionate short-limb short stature, Intrauterine growth retardation |
Head and neck | 3 | Microcephaly, Triangular face, Long face |
Hormones | 3 | Diabetes mellitus, Insulin resistance, Hypothyroidism |
Eyes | 2 | Cataract, Nystagmus |
Blood and immune system | 2 | Low red blood cell count (anemia), Immunodeficiency |
Arms and legs | 2 | Disproportionate short-limb short stature, Limb undergrowth |
Heart and blood vessels | 1 | Enlarged and weakened heart (dilated cardiomyopathy) |
Ears | 1 | Inner ear hearing loss (sensorineural hearing impairment) |
Metabolism | 1 | Abnormal blood fat levels (abnormal circulating lipid concentration) |
Muscles | 1 | Cerebellar vermis atrophy |
Age of onset: adulthood, at birth.