Key result
Surgical resection successfully treated a giant right atrial aneurysm in an infant with a rare variant of Ebstein's anomaly characterized by isolated displacement of the anterior tricuspid leaflet.
Case Report (n=1)
Isolated displacement of the anterior leaflet of the tricuspid valve should be recognized as a rare variant of Ebstein's anomaly that can cause giant right atrial aneurysm treatable by surgical resection.
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Rare Ebstein variant with isolated anterior leaflet displacement causing giant RA aneurysm; leaves open prevalence, natural history, and management.
In Ebstein's anomaly, the points of attachment, or hinges, of the septal and mural leaflets in the right ventricle are displaced away from the atrioventricular junction. In contrast, the junctional hinge of the anterior leaflet usually retains a normal position. Here, we report a case of giant right atrial aneurysm due to isolated displacement of the anterior leaflet of the tricuspid valve in an infant, a rare variant of Ebstein's anomaly. Enlargement of the right atrium, which was initially diagnosed during the fetal period, progressively and markedly dilated after birth and was successfully treated with surgical resection. Isolated displacement of the anterior leaflet should be recognized as a variant of Ebstein's anomaly.
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Tsujii et al. (2016) conducted a case report in Ebstein's anomaly (isolated displacement of the anterior leaflet of the tricuspid valve) (n=1). Surgical resection was evaluated on Treatment success. Surgical resection successfully treated a giant right atrial aneurysm in an infant with a rare variant of Ebstein's anomaly characterized by isolated displacement of the anterior tricuspid leaflet.
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