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Start free with EleplanIdiopathic camptocormia
ORPHA:1320Morphological anomaly
Also called Idiopathic camptocormism · Idiopathic progressive lumbar kyphosis
What it is
Idiopathic camptocormia is a postural disease characterized by an anterior flexion of the torso (during walking or standing) that resolves in the supine position and that is caused by weakness of the lumbar paraspinal muscles (spinal extensors), due to massive fatty infiltrations of posterior spinal muscles, without an identifiable etiology.
Key facts
- Age of onset
- Adult, Elderly
- Inheritance
- Not applicable
- Classified as
- Morphological anomaly
Signs and symptoms
Common30–79%
9Sometimes5–29%
8Rare1–4%
16- Abnormal basal ganglia morphology
- Abnormality of the immune system
- Abnormality of the pons
- Abnormal muscle fiber dysferlin
- Abnormal synaptic transmission at the neuromuscular junction
- Alzheimer disease
- Fatigable weakness of skeletal muscles
- Fatty replacement of skeletal muscle
and 8 more in this range
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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