raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:2023

Undifferentiated pleomorphic sarcoma

Synonyms: UPS

Type
Disease
Group
Disorder
Inheritance
Not applicable
Age of onset
Adolescent, Adult, Childhood, Elderly
Status
active

An aggressive sarcoma of soft tissues or bone that can arise from any part of the body, clinically presenting as swelling, mass, pain, pathological fracture and occasional systemic features and is characterized by high local recurrence and significant metastasis.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enUndifferentiated pleomorphic sarcomaUPS
frSarcome pléomorphe indifférencié= en
deSarkom, undifferenziertes pleomorphesHistiozytom, fibröses malignes
esSarcoma pleomórfico indiferenciado
itIstiocitoma fibroso maligno
nlOngedifferentieerd pleomorf sarcoomOngedifferentieerd pleiomorf sarcoom · UPS
ptSarcoma pleiomórfico indiferenciado= en
plGuz histiocytarny włóknisty złośliwy= en
csNediferencovaný pleomorfní sarkom= en
ukНедиференційована плеоморфна саркома= en
zh未分化多形性肉瘤= en
trFarklılaşmamış pleomorfik sarkom= en

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10C49.9NTBTattributedvalidated
MONDO0002142Evalidated
MeSHD051677Evalidated
UMLSC0334463Evalidated
GARD6963Evalidated

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 (2):

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

3 records
TypeClassValueAreaQualificationValidationSource
Annual incidence1-9 / 1 000 0000.9 / 100 000EuropeValue and classValidated[EXPERT]
Annual incidence1-9 / 1 000 0000.9 / 100 000United StatesValue and classValidatedNational Cancer OTHERitute[OTHER]_17013893[PMID]
Point prevalence1-9 / 100 000—EuropeClass onlyNot yet validatedORPHANET

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

9 annotations · validated 2017-10-24
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0002814Abnormality of the lower limb
HP:0002585Abnormality of the peritoneum
HP:0030448Soft tissue sarcoma
Frequent (79-30%)
HP:0003011Abnormality of the musculature
HP:0001945Fever
Occasional (29-5%)
HP:0002817Abnormality of the upper limb
HP:0002039Anorexia
HP:0012378Fatigue
HP:0001824Weight loss

Run the differential on the 3 obligate / very frequent terms

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Sources for this card