Key result
Resection of a giant neonatal intrapericardial teratoma successfully resolves severe cardiopulmonary compression.
Why the study?
Massive cardiomegaly in neonates due to pericardial teratoma is an unusual cause requiring detailed anatomical definition and surgical correction.
Pericardial teratoma is an unusual but surgically correctable cause of massive cardiomegaly in neonates.
Answers are grounded in this paper and cite their sources.
May support surgical resection for rare compressive neonatal pericardial teratoma; leaves open need for larger series on outcomes.
Term neonate with respiratory distress had a giant cystic intrapericardial mass causing cardiopulmonary compression and effusion. Echocardiography and chest tomographic defined the anatomy; surgical resection confirmed an immature pericardial teratoma with a favourable diagnosis.
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Mendoza et al. (2026) studied this question. Surgical resection of a giant intrapericardial mass resolved massive cardiomegaly and cardiopulmonary compression in a neonate, confirming an immature pericardial teratoma.
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