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A young patient affected by a lung neoplasm, presented at emergency department with cardiac tamponade, underwent pericardiocentesis with a prompt restoration of hemodynamic stability. An hour later, the patient presented again signs of tamponade, without evidence of fluids in the drainage that was left in pericardial space. The echocardiography revealed an intrapericardial thrombus compressing the right chambers. An emergency pericardiotomy was performed and a large thrombus was removed from the pericardial space; cardiac walls were intact. Echocardiography played a pivotal role for the identification of a pericardial thrombus as a complication of pericardiocentesis., (© 2019 Wiley Periodicals, Inc.)

We present a case of esophageal duplication cyst, echocardiographically appearing as a mass above the roof of the left atrium and behind the right pulmonary artery. The differential diagnosis and the management of such disease are discussed.

The history of intravascular ultrasound imaging, recent developments in catheter technology, and the initial in vivo experience are reviewed. Additionally, the article also discusses the potential applications of intravascular ultrasound imaging in coronary and peripheral arterial atherosclerosis, hypertension, pulmonary arterial disorders, valvular heart disease, aortic abnormalities, and in congenital heart disorders. Possible future directions are outlined.