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Start free with EleplanRadio-renal syndrome
ORPHA:3015Malformation syndrome
What it is
Radio-renal syndrome is a rare developmental defect during embryogenesis characterized by variable upper limb reduction defects and renal anomalies. Patients typically present absence/hypoplasia of digits, radii and/or ulnae, short stature and mild external ear malformation, as well as kidney agenesis or ectopia. There have been no further descriptions in the literature since 1983.
Key facts
- Prevalence
- <1 / 1 000 000
- Age of onset
- Neonatal
- 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%
24- Abnormal form of the vertebral bodies
- Abnormality of the elbow
- Abnormal rib morphology
- Brachydactyly
- Chylothorax
- Convex nasal ridge
- Depressed nasal bridge
- Downturned corners of mouth
- Dyspnea
- High, narrow palate
- Hypoplasia of the radius
- Micrognathia
- Micromelia
- Multicystic kidney dysplasia
- Pleural effusion
- Renal agenesis
- Renal dysplasia
- Renal hypoplasia/aplasia
- Respiratory distress
- Respiratory failure
- Retrognathia
- Severe short stature
- Short neck
- Short palm
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.
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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