Ectasia of the left appendage

Summary

Ectasia of the left appendage (MONDO:0020433) is a disease. A subtype of congenital heart malformation — broader associated-gene and molecular evidence is on the parent page (see Disease family below).

Clinical features

No curated clinical features (Orphanet) for this disease.

Identifiers

Disease identifiers

Field	Value
Canonical name	ectasia of the left appendage
Mondo ID	MONDO:0020433
Orphanet	99102
UMLS	C4749282
MedGen	1656788
GARD	0019650
Is cancer (heuristic)	no

Also known as: dilatation of the left appendage · dilatation of the left atrial appendage · dilatation of the left auricle · ectasia of the left auricle

Disease family

This is a subtype of congenital heart malformation. Genetic, therapeutic, and trial evidence is largely curated at the broader-term level — see the parent page for the associated-gene cohort and molecular evidence.

Classification path: disease › human disease › disease by body system or component › cardiovascular disorder › congenital anomaly of cardiovascular system › congenital heart malformation › ectasia of the left appendage

Related subtypes (25): transposition of the great arteries, congenital left-sided heart lesions, interventricular septum aneurysm, congenital heart defects, multiple types, 2, coronary artery congenital malformation, criss-cross heart, triatrial heart, familial idiopathic dilatation of the right atrium, cardiac diverticulum, conotruncal heart malformations, congenital mitral malformation, congenital pericardium anomaly, ectopia cordis, visceral heterotaxy, mesocardia, univentricular cardiopathy, congenital anomaly of the great arteries, Laubry-Pezzi syndrome, congenital Gerbode defect, juxtaposition of the atrial appendages, ectasia of the right atrial appendage, atrial septal aneurysm, congenital acardia, congenital right-sided heart lesions, congenital heart defects, multiple types, 1, X-linked

Genetics & variants

GWAS landscape

No GWAS associations recorded — common-variant (GWAS) studies don’t cover this disease (typical for Mendelian / rare diseases). See the curated gene cohort and Mendelian overlap below.

Variant details and genetic-evidence tiers

No tiered GWAS variants or ClinVar records for this disease.

Genes & proteins

No associated-gene cohort resolved for this disease. Atlas builds the molecular and therapeutic sections — associated genes, protein families, druggability, pathways, interactions, and drug associations — by aggregating over a disease’s associated genes (resolved via GWAS / GenCC / ClinVar / CIViC), and none resolved here. This is expected for antibody-mediated, autoimmune, or otherwise non-gene-defined conditions; the curated evidence for this disease is its clinical features, GWAS susceptibility, and clinical trials (above).

Function

No pathway enrichment — requires an associated-gene cohort.

Therapeutics

No druggable-target or therapeutic data for this disease’s cohort.

Clinical trials & evidence

Clinical trials

Clinical trials: 0.