raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:444316

Idiopathic phalangeal acro-osteolysis

Synonyms: Idiopathic phalangeal acroosteolysis

Type
Disease
Group
Disorder
Inheritance
Not applicable
Status
active

A rare bone disease characterized by bone resorption affecting the distal phalanx, most commonly the terminal tuft, in the absence of a known cause. Patients present with shortening of the affected fingers or toes, associated with nail abnormalities (dystrophic or hypertrophic nails) and skin changes (such as ulceration or pigment anomalies).

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enIdiopathic phalangeal acro-osteolysisIdiopathic phalangeal acroosteolysis
frAcro-ostéolyse phalangienne idiopathiqueAcroostéolyse phalangienne idiopathique
deAkroosteolyse, idiopathische phalangeale
esAcro-osteólisis falángica idiopáticaAcroosteólisis falángica idiopática
itAcro-osteolisi idiopatica delle falangiAcroosteolisi falangea idiopatica
nlIdiopathische falangeale acro-osteolyse
ptAcrosteólise idiopática das falanges
plIdiopatyczna akroosteoliza paliczków= en
csIdiopatická falangeální akroosteolýzaIdiopatická falangeální akro-osteolýza
ukІдіопатичний фаланговий акроостеолізІдіопатичний фаланговий акроостеоліз
zh特发性指骨肢端溶解特发性指骨肢端溶解
trİdiyopatik falangeal akro-osteolizİdiyopatik falanjiyal akroosteoliz

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10M89.5NTBTattributedvalidated
ICD-11FB86.2NTBTattributedvalidated
MONDO0018635Evalidated
UMLSC5680064Evalidated

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 (1):

No children.

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

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

7

Sources for this card