Key result
An extremely rare variant of Ebstein anomaly involves the downward displacement of all three tricuspid leaflets to the apex, including the typically spared anterior leaflet.
Why the study?
Ebstein anomaly is typically defined by displacement of septal or posterior tricuspid leaflets sparing the anterior leaflet, making displacement of all three leaflets an extremely rare variant.
This case report highlights an extremely rare variant of Ebstein anomaly involving the displacement of all three tricuspid leaflets, expanding the known phenotypic spectrum of the disease.
This all-leaflet EA displacement warrants diagnostic awareness; extends anatomic spectrum but leaves management unchanged.
Ebstein anomaly, a rare congenital heart disease, is defined as displacement of hinge points of septal or posterior tricuspid leaflets but not anterior leaflet. Here, we report the case of a 35-year-old woman with an extremely rare pattern of Ebstein anomaly (EA) with all three tricuspid leaflets displaced downward to the apex.
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Khajali et al. (2022) studied this question. An extremely rare variant of Ebstein anomaly involves the downward displacement of all three tricuspid leaflets to the apex, including the typically spared anterior leaflet.
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