raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:357225

Primary non-essential cutis verticis gyrata

Type
Disease
Group
Disorder
Age of onset
Adolescent, Childhood, Infancy, Neonatal
Status
active

A rare genetic dermis disorder characterized by slowly progressive thickening of the scalp, which becomes raised and forms ridges and furrows with symmetrical distribution resembling the cerebral gyri and cannot be flattened by traction or pressure, associated with ophthalmologic (e.g. congenital cataract) and/or neurological abnormalities (e.g. intellectual disability, epilepsy, microcephaly, encephalopathy).

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enPrimary non-essential cutis verticis gyrata
frPachydermie vorticellée primaire non essentielle du cuir cheveluPachydermie plicaturée primaire non essentielle du cuir chevelu
dePrimäre Cutis verticis gyrata, nicht-essentielle
esCutis verticis gyrata primaria no esencial
itCutis verticis gyrata primitiva non essenziale
nlPrimaire niet-essentiële cutis verticis gyrata
ptCutis verticis gyrata, não-essencial primária
plPierwotna łagodna skóra kręta ciemienia
csPrimární neesenciální cutis verticis gyrata
ukПервинна невиражена складчаста пахідермія
zh原发性非原位性脑回状头皮
trPrimer esansiyel olmayan cutis verticis gyrata

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM219300Evalidated
ICD-10Q82.8NTBTattributedvalidated
ICD-11EE7YNTBTindexvalidated
MONDO0018168Evalidated
UMLSC4755295Evalidated

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

3

Classification

Preferential parent (Orphanet linearisation):

Parents in the classifications (3):

No children.

Codes that Orphanet moved or referred to this one:

4

Genes

0 direct

Orphanet records no gene directly on this code.

5

Prevalence and incidence

0 records

No prevalence record in this release.

6

HPO phenotypes

16 annotations · validated 2019-11-07
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0010541Cutis gyrata of scalp
Frequent (79-30%)
HP:0030455Abnormality of pattern visual evoked potentials
HP:0000290Abnormality of the forehead
HP:0000519Developmental cataract
HP:0002171Gliosis
HP:0001263Global developmental delay
HP:0006889Intellectual disability, borderline
HP:0006970Periventricular leukomalacia
HP:0001250Seizure
Occasional (29-5%)
HP:0001631Atrial septal defect
HP:0001298Encephalopathy
HP:0010562Keloids
HP:0000252Microcephaly
HP:0007663Reduced visual acuity
HP:0002650Scoliosis
HP:0001629Ventricular septal defect

Run the differential on the 1 obligate / very frequent terms

Annotation source: 17535195[PMID]_30969634[PMID]_16955199[PMID]

7

Sources for this card