raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:2220

Hypertrichosis cubiti

Synonyms: Hairy elbows syndrome · MacDermot-Patton-Williams syndrome

Type
Malformation syndrome
Group
Disorder
Inheritance
Autosomal dominant
Age of onset
Childhood
Status
active

Hypertrichosis cubiti is a rare hair anomaly characterized by symmetrical, congenital or early-onset, bilateral hypertrychosis localized on the externsor surfaces of the upper extremities (especially the elbows). Short stature, or other abnormalities, such as developmental delay, facial anomalies and intellectual disability, may or may not be associated.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enHypertrichosis cubitiHairy elbows syndrome · MacDermot-Patton-Williams syndrome
frHypertrichose cubitaleSyndrome de MacDermot-Patton-Williams · syndrome de coudes chevelus
deHypertrichosis cubitiBehaarte-Ellenbogen-Syndrom · Mac-Dermot-Patton-Williams-Syndrom
esHipertricosis cubitalSíndrome de MacDermot-Patton-Williams · Síndrome de los codos peludos
itIpertricosi dei gomitiGomiti pelosi · Sindrome di MacDermot-Patton-Williams
nlHypertrichosis cubitiBehaarde ellebogen-syndroom · Syndroom van MacDermot-Patton-Williams
ptHipertricose cubitalSíndrome MacDermot-Patton-Williams · Síndrome de cotovelos peludos
plHipertrichoza łokciowaOwłosione łokcie · Zespół MacDermota, Pattona i Williamsa
csHypetrichosis cubitiSyndrom zahrnující hypertrichosis cubiti a nízký vzrůst · Syndrom chlupatých předloktí · MacDermotův-Pattonův-Williamsův syndrom · MacDermot-Patton-Williamsův syndrom
ukГіпертрихоз ліктьової ділянкиСиндром волохатих ліктів · Синдром Макдермота-Паттона-Вільямса
zh肘部多毛症MacDermot-Patton-Williams综合征
trHipertrikoz kubitiTüylü dirsek sendromu · MacDermot-Patton-Williams sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM139600Evalidated
ICD-10Q84.2NTBTattributedvalidated
ICD-11LD27.0YNTBTindexvalidated
MeSHC535618Evalidated
UMLSC1841696Evalidated
GARD143Evalidated
MedDRA10068636Evalidated

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 (2):

No children.

4

Genes

0 direct

Orphanet records no gene directly on this code.

5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families28 casesWorldwideCase(s)Validated16355816[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.

6

HPO phenotypes

27 annotations · validated 2017-07-28
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0011121Abnormal skin morphology
HP:0009811Abnormality of the elbow
HP:0002230Generalized hirsutism
HP:0002983Micromelia
HP:0008905Rhizomelia
HP:0003510Severe short stature
Frequent (79-30%)
HP:0002381Aphasia
HP:0010529Echolalia
HP:0000324Facial asymmetry
HP:0002300Mutism
HP:0000311Round face
Occasional (29-5%)
HP:0000499Abnormal eyelash morphology
HP:0000492Abnormal eyelid morphology
HP:0000614Abnormal nasolacrimal system morphology
HP:0000271Abnormality of the face
HP:0000464Abnormality of the neck
HP:0002750Delayed skeletal maturation
HP:0000494Downslanted palpebral fissures
HP:0001263Global developmental delay
HP:0000348High forehead
HP:0001249Intellectual disability
HP:0001382Joint hypermobility
HP:0000252Microcephaly
HP:0000426Prominent nasal bridge
HP:0000508Ptosis
HP:0001328Specific learning disability
HP:0000574Thick eyebrow

Run the differential on the 6 obligate / very frequent terms

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Sources for this card