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Persistent and redundant eustachian valve simulating atrial tumor: prenatal diagnosis
J Arenas Ramírez1, C Fernandez Castro, M Otero Chouza
1Hospital Cabueñes, Obstetricia y Ginecología, Gijón, Asturias, Spain. javarenas@sego.es
Summary
Persistent eustachian valve, an embryogenic remnant, can mimic cardiac conditions. This case highlights the first prenatal diagnosis of a large, prominent eustachian valve in an asymptomatic neonate.
Area of Science:
- Embryology
- Cardiovascular Anatomy
- Fetal Medicine
Background:
- The eustachian valve is an embryologic remnant of the right valve of the sinus venosus.
- Its persistence into postnatal life can mimic cardiac pathologies, such as atrial tumors.
- Understanding its typical regression is crucial for accurate diagnosis.
Observation:
- A case of prenatal diagnosis of a persistent eustachian valve is presented.
- The valve was noted to be large, prominent, and had redundant tissue at the inferior vena cava-right atrium junction.
- This finding was identified during routine prenatal assessment.
Findings:
- The neonate diagnosed with a persistent eustachian valve was asymptomatic at birth.
- The infant remained healthy and showed no signs of cardiac distress at 7 months of age.
- This represents the first documented instance of prenatal diagnosis for this specific condition.
Implications:
- Prenatal diagnosis of a persistent eustachian valve is feasible and can aid in early management planning.
- This finding suggests that a prominent eustachian valve does not necessarily lead to adverse neonatal outcomes.
- Further research may elucidate the long-term implications and clinical significance of prenatally detected eustachian valves.
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