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Start free with EleplanInfantile multisystem neurologic-endocrine-pancreatic disease
ORPHA:456312Disease
Also called IMNEPD
What it is
A rare multisystemic syndrome characterized by global developmental delay, postnatal microcephaly, intellectual disability, ataxia, sensorineural hearing loss, and exocrine pancreatic insufficiency. More variable manifestations include hypotonia, growth retardation, peripheral demyelinating neuropathy, dysmorphic facial features, and additional endocrine abnormalities. Brain imaging may show progressive cerebellar atrophy in some patients.
Key facts
- Prevalence
- <1 / 1 000 000
- Age of onset
- Infancy
- Inheritance
- Autosomal recessive
- Classified as
- Disease
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%
8Common30–79%
19- Abnormal foot morphology
- Abnormality of the hand
- Abnormal midface morphology
- Achilles tendon contracture
- Brachycephaly
- Cerebellar hemisphere hypoplasia
- Diabetes mellitus
- Distal muscle weakness
- Dysmetria
- EEG abnormality
- Exotropia
- Facial palsy
- Failure to thrive
- Long fingers
- Mild postnatal growth retardation
- Neonatal hypotonia
- Proximal placement of thumb
- Secondary microcephaly
- Thin upper lip vermilion
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.
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.
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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