raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:300501

Painful orbital and systemic neurofibromas-marfanoid habitus syndrome

Type
Malformation syndrome
Group
Disorder
Inheritance
Unknown
Age of onset
Adolescent
Status
active

Painful orbital and systemic neurofibromas-marfanoid habitus syndrome is a rare, benign, peripheral nerve sheath tumor disorder characterized by multiple, painful, mucin-rich plexiform neurofibromas located in the orbits, cranium, large spinal nerves and mucosa, associated with a marfanoid habitus, enlarged corneal nerves, congenital neuronal migration anomalies and facial dysmorphism which includes ptosis, proptosis, prominent nose, full lips, gingival hyperplasia, and multiple subcutaneous and submucosal nodules in the lips and sublingual zone.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enPainful orbital and systemic neurofibromas-marfanoid habitus syndrome
frSyndrome marfanoïde-neurofibromes systémiques et orbitaux douloureux
deSchmerzhafte orbitale und systemische Neurofibrome-marfanoider Habitus-Syndrom
esSíndrome de dolor orbital y neurofibromas sistémicos-hábito marfanoide
itSindrome da neurofibromi dolorosi orbitali sistemici e habitus marfanoide
nlPijnlijke orbitale en systemische neurofibromen - marfanoïde habitus-syndroom
ptSíndrome de neurofibromas orbitários e sistémicos dolorosos-habitus marfanóide
plZespół bolesnych nerwiakowłókniaków oczodołu i układowych z sylwetką marfanoidalną
csSyndrom zahrnující bolestivé orbitální a systémové neurofibromy a marfanoidní habitus
ukСиндром болючих орбітальних та системних нейрофібром-марфаноїдного габітусу
zh眼眶疼痛-全身神经纤维瘤-马凡样外表综合征
trAğrılı orbital ve sistemik nörofibroma-marfanoid habitus sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10D36.1NTBTattributedvalidated
MONDO0017585Evalidated
UMLSC4751109Evalidated
GARD11006Evalidated

E exact · NTBT this ORPHAcode is narrower than the target · BTNT broader than the target · ND not decided.

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Classification

Preferential parent (Orphanet linearisation):

Parents in the classifications (1):

No children.

4

Genes

0 direct

Orphanet records no gene directly on this code.

5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families4 casesWorldwideCase(s)Validated22258529[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET

Value is Orphadata's ValMoy: the mean estimate per 100 000 for prevalence and incidence, the number of cases or families for case reports.

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HPO phenotypes

Orphanet has no HPO annotation for this code in this release.

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Sources for this card