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Imperforate Ebstein's malformation in atrioventricular septal defect

  • Jeong-Wook Seo (a1), Woo Hee Jung (a1) and Yong Won Park (a1)

Summary

Anatomic data are presented of a female abortus with the unusual combination of Ebstein's malformation and atrioventricular septal defect with right isomerism of the atrial appendages, left-hand ventricular topology and discordant ventriculoarterial connection. The common atrioventricular orifice was guarded by an effectively common valve, the right half being guarded by a well-formed three-leaflet valve, but the posterior and left lateral wall of the orifice being deficient of valvar leaflet tissue. The right ventricular inlet was a blind chamber, an imperforate dimple being seen which was surrounded by valvar remnants. The apical trabecular and outlet components of the right ventricle communicated with the left ventricle through an outlet ventricular septal defect in front of the anterosuperior leaflet of the atrioventricular valve, giving the potential clinically for the lesion to be misdiagnosed as double inlet left ventricle.

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Corresponding author

Department of Pathology, Seoul National University College of Medicine, 28 Yongon-dong Chongno-gu, Seoul 110–460, Korea.

References

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5.Zuberbuhler, JR, Becker, AE, Anderson, RH, Lenox, CC. Ebstein's malformation and the embryological development of the tricuspid valve with a note on the nature of “clefts” in the atrioventricular valves. Pediatr Cardiol 1984; 5: 289296.

Imperforate Ebstein's malformation in atrioventricular septal defect

  • Jeong-Wook Seo (a1), Woo Hee Jung (a1) and Yong Won Park (a1)

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