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Migrating Pericardial Cyst Mimicking a Pleural Pseudotumor.

ABSTRACT: We discuss an atypical presentation of a pericardial cyst appearing as a mobile lesion extending into and out of the right pulmonary major fissure. With the patient in the supine position, the cyst mimicked a pleural pseudotumor along the right oblique fissure. In the left lateral decubitus position, the cyst migrated to the right cardiophrenic angle and assumed an appearance more characteristic of a pericardial cyst. At surgery, a stalk was discovered attaching the cyst to the pericardium explaining its migrating nature. We conclude that computed tomography scanning in the decubitus position is useful for differentiating a mobile pericardial cyst from a pleural pseudotumor.

SUBMITTER: Ha CJ

PROVIDER: S-EPMC7294318 | biostudies-literature | 2020

REPOSITORIES: biostudies-literature

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Migrating Pericardial Cyst Mimicking a Pleural Pseudotumor.

Ha Christine J CJ Maldjian Pierre D PD

Journal of clinical imaging science 20200530

We discuss an atypical presentation of a pericardial cyst appearing as a mobile lesion extending into and out of the right pulmonary major fissure. With the patient in the supine position, the cyst mimicked a pleural pseudotumor along the right oblique fissure. In the left lateral decubitus position, the cyst migrated to the right cardiophrenic angle and assumed an appearance more characteristic of a pericardial cyst. At surgery, a stalk was discovered attaching the cyst to the pericardium expla ...[more]

PMID: 32547835

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