raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:238637

Megacystis-megaureter syndrome

Synonyms: Megaureter-megacystis syndrome

Type
Disease
Group
Disorder
Age of onset
Infancy, Neonatal
Status
active

Megacystic-megaureter syndrome is an urinary tract malformation characterized by the presence of a massive primary non-obstructive vesicoureteral reflux and a large capacity, smooth, thin walled bladder due to the continual recycling of refluxed urine. Recurrent urinary infections are commonly associated with this condition.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enMegacystis-megaureter syndromeMegaureter-megacystis syndrome
frSyndrome mégavessie-méga-uretèresSyndrome méga-uretères-mégavéssie
deMegazystis-Megaureter-SyndromMegaureter-Megazystis-Syndrom
esSíndrome megavejiga-megauréterSíndrome megauréter-megavejiga
itSindrome megacisti-megauretereSindrome megauretere-megacisti
nlMegacystis - mega-ureter-syndroomMega-ureter - megacystis-syndroom
ptSíndrome megabexiga-megaureter
plZespół olbrzymiego pęcherza moczowego i moczowodów olbrzymichZespół moczowodów olbrzymich i olbrzymiego pęcherza moczowego
csSyndrom zahrnující megacystis a megaureterSyndrom zahrnující megaureter a megacystis
ukСиндром мегацистис-мегауретерСиндром мегауретера-мегациститу
zh巨膀胱-巨输尿管综合征巨输尿管-巨膀胱综合征
trMegasitis-megaüreter sendromuMegaüreter-megasist sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10Q62.7NTBTattributedvalidated
ICD-11LB31.7Especificvalidated
MONDO0016548Evalidated
UMLSC0431752Evalidated

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