raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:2770

Nasu-Hakola disease

Synonyms: NHD · PLO-SL · PLOSL · Polycystic lipomembranous osteodysplasia with sclerosing leukoencephalopathy

Type
Malformation syndrome
Group
Disorder
Inheritance
Autosomal recessive
Age of onset
Adolescent, Adult
Status
active

Nasu-Hakola disease (NHD), also referred to as polycystic lipomembranous osteodysplasia with sclerosing leukoencephalopathy (PLOSL), is a rare inherited leukodystrophy characterized by progressive presenile dementia associated with recurrent bone fractures due to polycystic osseous lesions of the lower and upper extremities.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enNasu-Hakola diseaseNHD · PLO-SL · PLOSL · Polycystic lipomembranous osteodysplasia with sclerosing leukoencephalopathy
frMaladie de Nasu-HakolaNHD · Ostéodysplasie polykystique lipomembraneuse avec leucoencéphalopathie sclérosante · PLO-SL
deNasu-Hakola-KrankheitNHD · Osteodysplasie, lipomembranöse polyzystische - sklerosierende Leukoenzephalopathie · PLO-SL · PLOSL
esEnfermedad de Nasu-HakolaPLO-SL · PLOSL · NHD · Osteodisplasia poliquística lipomembranosa con leudoencefalopatía esclerosante
itMalattia di Nasu-HakolaNHD · Osteodisplasia lipomembranosa policistica con leucoencefalopatia sclerosante · PLO-SL · PLOSL
nlZiekte van Nasu-HakolaNHD · PLO-SL · PLOSL · Polycystische lipomembraneuze osteodysplasie met scleroserende leuko-encefalopathie
ptDoença de Nasu-HakolaOsteodisplasia lipomembranosa poliquística com leucoencefalopatia esclerosante · PLO-SL
plChoroba Nasu i HakoliNHD · plOSL · plO-SL · Wielotorbielowata tłuszczowo-błoniasta osteodysplazja ze stwardniajacą leukoencefalopatią
csNasuova-Hakolova nemocNHD · PLO-SL · PLOSL · Polycystická lipomembranózní osteodysplázie se sklerotizující leukoencefalopatií · Nasu-Hakolova nemoc
ukХвороба Насу-ХаколаNHD · PLOSL · PLO-SL · Полікістозна ліпомембранна остеодисплазія зі склерозуючою лейкоенцефалопатією
zhNasu-Hakola病多囊性脂膜样骨发育不良伴硬化性白质脑病
trNasu-Hakola hastalığıNHD · PLOSL · PLO-SL · Sklerozan lökoensefalopati ile seyreden polikistik lipomembranöz osteodisplazi

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM221770BTNTvalidated
OMIM618193BTNTvalidated
ICD-10E75.2NTBTattributedvalidated
ICD-118A44.3NTBTindexvalidated
MONDO0009092Evalidated
MeSHC536329Evalidated
UMLSC1857316Evalidated
GARD9921Evalidated

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 (4):

No children.

4

Genes

2 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
TREM2Disease-causing germline mutation(s) (loss of function) inAssessedHGNC:17761ENSG000000959706050866p21.1triggering receptor expressed on myeloid cells 220301376[PMID]
TYROBPDisease-causing germline mutation(s) (loss of function) inAssessedHGNC:12449ENSG0000001160060414219q13.12transmembrane immune signaling adaptor TYROBP20301376[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Point prevalence<1 / 1 000 000—EuropeClass onlyNot yet validatedORPHANET
Point prevalence1-9 / 1 000 0000.15 / 100 000FinlandValue and classValidated9463329[PMID]

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

28 annotations · validated 2016-06-01
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0009124Abnormal adipose tissue morphology
HP:0005930Abnormality of epiphysis morphology
HP:0002829Arthralgia
HP:0000708Atypical behavior
HP:0012062Bone cyst
HP:0002653Bone pain
HP:0002120Cerebral cortical atrophy
HP:0002376Developmental regression
HP:0000734Disinhibition
HP:0000727Frontal lobe dementia
HP:0000737Irritability
HP:0001376Limitation of joint mobility
HP:0002354Memory impairment
HP:0000751Personality changes
HP:0004349Reduced bone mineral density
HP:0002652Skeletal dysplasia
HP:0002119Ventriculomegaly
Frequent (79-30%)
HP:0100022Abnormality of movement
HP:0002167Abnormality of speech or vocalization
HP:0010524Agnosia
HP:0002514Cerebral calcification
HP:0002072Chorea
HP:0000657Oculomotor apraxia
HP:0001250Seizure
HP:0001257Spasticity
Occasional (29-5%)
HP:0002488Acute leukemia
HP:0012719Functional abnormality of the gastrointestinal tract
HP:0000238Hydrocephalus

Run the differential on the 12 obligate / very frequent terms

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Sources for this card