raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:1159

Progressive pseudorheumatoid dysplasia

Synonyms: PPD · Progressive pseudorheumatoid arthropathy of childhood · Spondyloepiphyseal dysplasia tarda-progressive arthropathy syndrome

Type
Disease
Group
Disorder
Inheritance
Autosomal recessive
Age of onset
Childhood
Status
active

A rare spondyloepiphyseal dysplasia (SED) characterized by an association with progressive arthropathy.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enProgressive pseudorheumatoid dysplasiaPPD · Progressive pseudorheumatoid arthropathy of childhood · Spondyloepiphyseal dysplasia tarda-progressive arthropathy syndrome
frDysplasie pseudorhumatoïde progressiveArthropathie pseudorhumatoïde progressive infantile · DPP
deProgressive pseudorheumatoide DysplasiePPD · Progressive pseudorheumatoide Arthropathie im Kindesalter · Spondyloepiphysäre Dysplasie Tarda-progressive Arthropathie-Syndrom
esDisplasia pseudorreumatoide progresivaArtropatía pseudorreumatoide progresiva de la infancia · Síndrome de displasia espondiloepifisaria tardía-artropatía progresiva
itDisplasia pseudoreumatoide progressivaSindrome displasia spondiloepifisaria tarda-artropatia progressiva · PPD · Artropatia pseudoreumatoide progressiva dell'infanzia
nlProgressieve pseudoreumatoïde dysplasiePPD · Progressieve pseudoreumatoïde artropathie op kinderleeftijd · Spondylo-epifysaire dysplasia tarda - progressieve artropathie-syndroom
ptDisplasia pseudoreumatoide progressivaArtropatia progressiva pseudo-reumatóide da infância · PPD · Síndrome de displasia espondiloepifisária tarda-artropatia progressiva
plPostępująca pseudoreumatoidalna artropatia dziecięcaDysplazja kręgosłupowo-nasadowa z postępującą artropatią
csProgresivní pseudorevmatoidní artropatie u dětíSyndrom zahrnující pozdní spondyloepifyzární dysplázii a progresivní artropatii
ukПрогресуюча псевдоревматоїдна артропатія дитячого вікуСпондилоепіфізарна дисплазія та синдром пізньопрогресуючої артропатії
zh儿童进行性假类风湿性关节炎脊柱骺发育不良迟缓-进展性关节病综合征
trÇocukluk çağı ilerleyici psödoromatoid artropatisiSpondiloepifizeal displazi tarda-ilerleyici artropati sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM208230Evalidated
ICD-10Q77.7NTBTattributedvalidated
ICD-11LD24.3NTBTindexvalidated
MONDO0008827Evalidated
MeSHC535387Evalidated
UMLSC0432215Evalidated
GARD9184Evalidated

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

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
CCN6Disease-causing germline mutation(s) inAssessedHGNC:12771ENSG000001127616034006q21cellular communication network factor 610471507[PMID]_22987568[PMID]
5

Prevalence and incidence

1 record
TypeClassValueAreaQualificationValidationSource
Point prevalence1-9 / 1 000 000—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

45 annotations · validated 2021-06-18
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0003301Irregular vertebral endplates
HP:0001386Joint swelling
HP:0004267Narrow small joints of the hand
HP:0000926Platyspondyly
HP:0005195Polyarticular arthropathy
HP:0002655Spondyloepiphyseal dysplasia
HP:0002515Waddling gait
Frequent (79-30%)
HP:0006256Abnormality of hand joint mobility
HP:0009811Abnormality of the elbow
HP:0001384Abnormality of the hip joint
HP:0002815Abnormality of the knee
HP:0002829Arthralgia
HP:0012385Camptodactyly
HP:0003388Easy fatigability
HP:0004603Hyperconvex vertebral body endplates
HP:0011406Infancy onset short-trunk short stature
HP:0004582Irregularity of vertebral bodies
HP:0009473Joint contracture of the hand
HP:0001376Limitation of joint mobility
HP:0001324Muscle weakness
HP:0002650Scoliosis
HP:0004322Short stature
HP:0003423Thoracolumbar kyphoscoliosis
HP:0008422Vertebral wedging
HP:0001225Wrist swelling
Occasional (29-5%)
HP:0002867Abnormality of the ilium
HP:0000464Abnormality of the neck
HP:0003043Abnormality of the shoulder
HP:0004568Beaking of vertebral bodies
HP:0006429Broad femoral neck
HP:0002812Coxa vara
HP:0010580Enlarged epiphyses
HP:0006247Enlarged interphalangeal joints
HP:0003371Enlargement of the proximal femoral epiphysis
HP:0003370Flat capital femoral epiphysis
HP:0040160Generalized osteoporosis
HP:0002857Genu valgum
HP:0002970Genu varum
HP:0003307Hyperlordosis
HP:0008833Irregular acetabular roof
HP:0025477Periarticular calcification
HP:0100864Short femoral neck
Excluded (0%)
HP:0032436Abnormal C-reactive protein level
HP:0025021Abnormal erythrocyte sedimentation rate
HP:0002923Rheumatoid factor positive

Run the differential on the 7 obligate / very frequent terms

Annotation source: 21993478[PMID]_26610319[PMID]

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Sources for this card