This case report highlights the diagnostic approach and surgical management of a rare case of left atrial appendage herniation through a partial pericardial defect.
Raises awareness of rare pleuropericardial defects with LAA herniation; leaves open standardized diagnostic and management protocols.
A case is reported of herniation of the left atrial appendage through a partial pericardial defect, probably congenital. The diagnosis was suggested by the history of chest pain and bulging of the middle segment of the left heart border on the plain chest film, without other signs. Angiography revealed a dilated left atrial appendage. An artificial left pneumothorax confirmed the presence of a pleuropericardial defect. The surgical procedure included excision of the appendage and closure of the defect.
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Pernot et al. (1972) studied this question.
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