title: Intrapericardial cyst causing cardiac tamponade in a cat.
abstract: A two-year-old cat with episodic dyspnea was diagnosed with an intrapericardial cyst via two-dimensional echocardiography. The cyst directly compressed the right ventricle, resulting in cardiac tamponade. Centesis of the cyst was performed to reduce tamponade prior to surgery. At surgery, a large, fluid-filled cystic structure was found within the pericardium. The cystic structure was continuous with a pedicle of liver that passed through a small peritoneopericardial diaphragmatic hernia. Surgical resolution was achieved by median sternotomy, midline pericardotomy, resection of the cyst, and diaphragmatic herniorrhaphy.
authors.affiliation: Veterinary Teaching Hospital, Colorado State University, Fort Collins 80523, USA.
authors.forename: R D
authors.initials: RD
authors.lastname: Less
authors.forename: J M
authors.initials: JM
authors.lastname: Bright
authors.forename: E C
authors.initials: EC
authors.lastname: Orton
mesh_terms: D000818:Animals; D002305:Cardiac Tamponade / Q000209:etiology / Q000662:veterinary*; D002371:Cat Diseases / Q000175:diagnosis / Q000209:etiology* / Q000601:surgery; D002415:Cats; D008297:Male; D008476:Mediastinal Cyst / Q000150:complications / Q000175:diagnosis / Q000601:surgery / Q000662:veterinary*