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Start free with EleplanFull NF2-related schwannomatosis
ORPHA:637Disease
Also called Full NF2 · Full neurofibromatosis type 2 · Nonmosaic NF2-related schwannomatosis · Nonmosaic neurofibromatosis type 2
What it is
A rare inherited cancer-predisposing syndrome disorder characterized by the development of multiple schwannomas, meningiomas and ependymoma. Schwannomas typically affect both vestibular nerves but also other cranial and peripheral nerves, leading to tinnitus, hearing loss and balance dysfunction. Intradermal schwannomas and ocular involvement (cataract, retinal hamartoma) are also typical.
Key facts
- Prevalence
- 1-9 / 100 000 (Europe)
- Age of onset
- All ages
- Inheritance
- Autosomal dominant
- 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
Common30–79%
11Sometimes5–29%
31- Abnormal cerebellum morphology
- Abnormal optic nerve morphology
- Amblyopia
- Blindness
- Brain stem compression
- Cortical cataract
- Cranial nerve paralysis
- Diplopia
and 23 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.
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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