raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:2970

Prune belly syndrome

Synonyms: Abdominal muscle deficiency syndrome · Eagle-Barret syndrome · Obrinsky syndrome · Triad syndrome

Type
Malformation syndrome
Group
Disorder
Inheritance
Autosomal dominant, Not applicable, X-linked recessive
Age of onset
Antenatal, Neonatal
Status
active

A rare lower urinary tract obstruction (LUTO) characterized by varying degrees of an enlarged urinary bladder, dilated ureters, hydronephrosis, and poorly contractile and disorganized detrusor and ureteral smooth muscle, in association with hypoplastic or absent midline abdominal skeletal musculature, and bilaterally undescended testes in males.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enPrune belly syndromeAbdominal muscle deficiency syndrome · Eagle-Barret syndrome · Obrinsky syndrome · Triad syndrome
frSyndrome prune bellySyndrome d'Eagle-Barret · Syndrome d'Obrinsky · Syndrome triad
dePrune-Belly-SyndromEagle-Barret-Syndrom · Kongenitales Fehlen der Bauchmuskulatur · Obrinsky-Fröhlich-Syndrom · Obrinsky-Syndrom · Pflaumenbauchsyndrom · Triad-Syndrom
esSíndrome del abdomen en ciruela pasaSíndrome de Eagle-Barret · Síndrome de Obrinsky · Síndrome de deficiencia muscular abdominal · Síndrome de la triada
itSindrome ''prune belly''Sindrome da deficit dei muscoli addominali · Sindrome della triade · Sindrome di Eagle-Barret · Sindrome di Obrinsky
nlPrune belly-syndroomAbdominale spierdeficiëntie-syndroom · Pruimenbuiksyndroom · Syndroom van Eagle-Barret · Syndroom van Obrinsky · Triadesyndroom
ptSíndrome "prune belly"Síndrome Eagle-Barret · Síndrome Obrinsky · Síndrome de deficiência dos músculos abdominais · Síndrome tríade
plZespół suszonej śliwkiObrinsky syndrome · Zespół Eagle'a i Barreta · Zespół niedorozwoju mięśni brzucha · Zespół triady
csSyndrom svraštělého břichaObrinského syndrom · Prune belly syndrom · Syndrom deficitu břišních svalů · Eagleův-Barrettův syndrom · Eagle-Barrettův syndrom
ukСиндром сливового животаСиндром абдомінальної мязової недостатності · Синдром Ігл-Барре · Синдром Обринського · Синдром тріади
zh梨状腹综合征腹部肌肉缺乏综合征
trPrune-Belly sendromuTriad sendromu · Obrinsky sendromu · Eagle-Barret sendromu · Karın kas eksikliği sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM100100Evalidated
ICD-10Q79.4NTBTattributedvalidated
ICD-11LD2F.10Especificvalidated
MONDO0007032Evalidated
MeSHD011535Evalidated
UMLSC0033770Evalidated
GARD7479Evalidated
MedDRA10051025Evalidated

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.

Codes that Orphanet moved or referred to this one:

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
CHRM3Disease-causing germline mutation(s) (loss of function) inAssessedHGNC:1952ENSG000001330191184941q43cholinergic receptor muscarinic 322077972[PMID]
5

Prevalence and incidence

5 records
TypeClassValueAreaQualificationValidationSource
Prevalence at birth1-9 / 100 0002.4 / 100 000ItalyValue and classValidated22506933[PMID]_ORPHANET
Prevalence at birth1-9 / 1 000 0000.38 / 100 000United KingdomValue and classNot yet validated8876090[PMID]_ORPHANET
Prevalence at birth1-9 / 100 0003.42 / 100 000CanadaValue and classValidated6454342[PMID]
Prevalence at birth1-9 / 100 0003.8 / 100 000United StatesValue and classValidated20381841[PMID]
Point prevalenceUnknown—WorldwideClass onlyValidatedORPHANET

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

34 annotations · validated 2016-06-01
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0000014Abnormality of the bladder
HP:0000069Abnormality of the ureter
HP:0005199Aplasia of the abdominal wall musculature
HP:0006703Aplasia/Hypoplasia of the lungs
HP:0010957Congenital posterior urethral valve
HP:0000028Cryptorchidism
HP:0000144Decreased fertility
HP:0000072Hydroureter
HP:0000076Vesicoureteral reflux
Frequent (79-30%)
HP:0000772Abnormal rib morphology
HP:0002019Constipation
HP:0008734Decreased testicular size
HP:0000003Multicystic kidney dysplasia
HP:0001562Oligohydramnios
HP:0002205Recurrent respiratory infections
HP:0000010Recurrent urinary tract infections
HP:0000083Renal insufficiency
Occasional (29-5%)
HP:0000130Abnormality of the uterus
HP:0002023Anal atresia
HP:0001631Atrial septal defect
HP:0100543Cognitive impairment
HP:0001374Congenital hip dislocation
HP:0001508Failure to thrive
HP:0011100Intestinal atresia
HP:0002566Intestinal malrotation
HP:0001643Patent ductus arteriosus
HP:0000767Pectus excavatum
HP:0002650Scoliosis
HP:0001762Talipes equinovarus
HP:0001636Tetralogy of Fallot
HP:0100779Urogenital sinus anomaly
HP:0001629Ventricular septal defect
HP:0003422Vertebral segmentation defect
HP:0002580Volvulus

Run the differential on the 9 obligate / very frequent terms

7

Sources for this card