Partial corpus callosum…

Caring for someone with this diagnosis? Eleplan keeps diagnoses, medications, documents and every specialist in one plan.

Start free with Eleplan

Partial corpus callosum agenesis-cerebellar vermis hypoplasia with posterior fossa cysts syndrome

ORPHA:401959Malformation syndrome

Also called KPNA7-related neurodevelopmental disorder

What it is

Partial corpus callosum agenesis-cerebellar vermis hypoplasia with posterior fossa cysts syndrome is a rare, hereditary, cerebral malformation with epilepsy syndrome characterized by severe global developmental delay with no ability to walk and no verbal language, intractable epilepsy, partial agenesis of the corpus callosum and cerebellar vermis hypoplasia with posterior fossa cysts.

Key facts

Prevalence
<1 / 1 000 000
Age of onset
Neonatal
Inheritance
Autosomal recessive
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.

Gene

KPNA7Disease-causing germline mutation(s)

ICD-10 codes

Q04.3filed under a broader ICD-10 category — shared with 75 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

MONDO 0018430UMLS C4750913

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.

Powered by Eleplan

A rare diagnosis is just the start. Eleplan keeps the whole care plan in one place.

Diagnoses, medications, documents, appointments, and the whole care team — organized and always in sync, so you are not retelling the same story to every new specialist. With Ellie, your AI care assistant, on top of it. Free to start.