raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:764

Pyomyositis

Synonyms: Myositis purulenta tropica · Myositis tropicans · PM · Suppurative myositis · Tropical pyomyositis

Type
Disease
Group
Disorder
Inheritance
Not applicable
Age of onset
All ages
Status
active

Pyomyositis (PM) is a rare primary bacterial infection of the skeletal muscle, usually resulting from hematogenous spread or due to muscle injury, and characterized by pain and tenderness in the affected muscle, fever and abscess formation.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enPyomyositisMyositis purulenta tropica · Myositis tropicans · PM · Suppurative myositis · Tropical pyomyositis
frPyomyositeMyosite purulente tropicale · Myosite suppurative · Myosite tropicale · PM
dePyomyositisMyositis purulenta tropica · Myositis tropicans · Suppurative Myositis · Tropische Pyomyositis
esPiomiositisMiositis purulenta tropical · Miositis supurativa · Miositis tropical · Piomiositis tropical
itPiomiositeMiosite purulenta tropicale · Miosite suppurativa · Miosite tropicale · PM · Piomiosite tropicale
nlPyomyositisMyositis purulenta tropica · Myositis tropicans · PM · Suppuratieve myositis · Tropische pyomyositis
ptPiomiosite
plRopne zapalenie mięśniMyositis purulenta tropica · PM · Ropne zapalenie mięśni · Tropikalne ropne zapalenie mięśni · Tropikalne zapalenie mięśni
csPyomyozitidaMyositis purulenta tropica · Tropická myozitida · PM · Supurativní myozitida · Tropická pyomyozitida
ukПіоміозитТропічний гнійний міозит · Тропічний міозит · PM · Гнійний міозит · Тропічний піоміозит
zh化脓性肌炎热带性脓性肌炎
trPyomyozitPM · Miyozit tropikanlar · Süpüratif miyozit · Tropikal piyomiyozit · Miyozit purulenta tropica

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10M60.0NTBTinclusionvalidated
ICD-11FB30NTBTindexvalidated
MONDO0019168Evalidated
MeSHD052880Evalidated
UMLSC0041188Evalidated
GARD4614Evalidated
MedDRA10037652Evalidated

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.

4

Genes

0 direct

Orphanet records no gene directly on this code.

5

Prevalence and incidence

1 record
TypeClassValueAreaQualificationValidationSource
Point prevalenceUnknown—WorldwideClass 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

12 annotations · validated 2016-06-01
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0001945Fever
HP:0003326Myalgia
HP:0100614Myositis
HP:0100838Recurrent cutaneous abscess formation
HP:0001482Subcutaneous nodule
Frequent (79-30%)
HP:0001974Increased total leukocyte count
HP:0002719Recurrent infections
HP:0100616Testicular teratoma
HP:0001824Weight loss
Occasional (29-5%)
HP:0000083Renal insufficiency
HP:0100806Sepsis
HP:0001645Sudden cardiac death

Run the differential on the 5 obligate / very frequent terms

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Sources for this card