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(Circulation. 2004;109:e1-e2.)
© 2004 American Heart Association, Inc.

Images in Cardiovascular Medicine

Mediastinal Thymoma

Jagdish Butany, MBBS, MS, FRCPC; Vidhya Nair, MBBS, MD; Manmeet S. Ahluwalia, MBBS; Dina El Demellawy, MD, PhD; Dean W. Chamberlain, MD, FRCPC; Christopher Feindel, MD, FRCS(C)

From the Departments of Pathology (J.B., V.N., M.S.A., D.E.D., D.W.C.) and Cardiovascular Surgery (C.F.), Toronto General Hospital, University Health Network and University of Toronto (J.B., D.W.C., C.F.), Toronto, Ontario, Canada.

Correspondence to Jagdish Butany, MBBS, MS, FRCPC, Department of Pathology E4-322, Toronto General Hospital, Toronto, ON, M5G 2C4. E-mail jagdish.butany@uhn.on.ca

An extract of the first 250 words of the full text is provided, because this article has no abstract.

A39-year-old woman was referred with a 3-month history of pleuritic chest discomfort, shortness of breath on exertion, and occasional palpitation and presyncope. Physical examination showed no abnormalities. ECG revealed sinus rhythm. Posteroanterior chest x-ray (Figure 1A) showed a large, rounded, right paracardiac mass. Transthoracic echocardiography showed a cystic mass as large as the heart at the right cardiophrenic angle (Figure 2), interposed between the diaphragm (and the liver), right atrium, and lung. The left ventricular size and function were normal, though some right atrial compression was noted. Contrast computerized tomography scan (Figure 1B) revealed a homogenous right pericardial mass, 10.0x8.0 cm in size, with a density greater than that of the usual simple cyst (Figure 2A), along with a thin capsule suggestive of a pericardial cyst. The patient underwent removal of the cyst, which was attached to the pericardium over a small area (diameter=1.5 cm). She made an uneventful recovery and was discharged on the fourth postoperative day.

View larger version (89K): [in this window] [in a new window]   Figure 1. A, Posteroanterior chest x-ray showing a large, rounded, right paracardiac mass (arrow). B, Contrast computerized tomography scan shows a homogenous mediastinal mass (10.0x8.0 cm) with a thin capsule and a density greater than that of the usual simple cyst.

View larger version (42K): [in this window] [in a new window]   Figure 2. A, Intraoperative photograph of the mediastinal mass (*) seen at sternotomy. A part of the adjacent lung (L) is also seen. B, The excised mediastinal mass (13.5x10.5x7.5 cm) weighed 510 g. It shows . . . [Full Text of this Article]

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