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J Thorac Cardiovasc Surg 2005;129:1438-1440
© 2005 The American Association for Thoracic Surgery

Brief Communication

Caseous calcification of the mitral annulus

^a Institute of Diagnostic Radiology, University Hospital Zurich, CH-8091 Zurich, Switzerland.
^b Clinic for Cardiovascular Surgery, University Hospital Zurich, CH-8091 Zurich, Switzerland.
^c Department of Pathology, University Hospital Zurich, CH-8091 Zurich, Switzerland.

Received for publication October 27, 2004; accepted for publication November 4, 2004.

^_* Address for reprints: Hatem Alkadhi, MD, Department of Medical Radiology, Institute of Diagnostic Radiology, University Hospital Zurich, Rämistrasse 100, CH-8091 Zurich, Switzerland (Email: hatem.alkadhi@usz.ch).

The first 20% of the full text of this article appears below.

Caseous calcification of the mitral annulus is a rare variant of mitral annular calcification that should be included in the differential diagnosis of intracardiac masses.¹ We present the computed tomography (CT), intraoperative, and histopathologic findings of a 70-year-old woman with mitral stenosis caused by a large caseous calcification located in the posterior mitral annulus.

Clinical Summary

A 70-year-old woman was admitted with progressive shortness of breath, orthopnea, and several syncopal episodes in the last 6 months. Her history was remarkable for a long-standing hypertonia. A transthoracic echocardiogram revealed an echo-intense mass with central echolucencies attached to the posterior mitral annulus causing mitral stenosis. For further characterization of the lesion, a 64-slice multidetector row CT (Sensation 64, Siemens, Germany) with retrospective electrocardiographic triggering after intravenous administration of iodinated contrast material was performed. CT showed an oval 3 x 3-cm mass located in the posterior mitral annulus with peripheral calcifications and central hyperdensity. Reconstructions during mid-systole showed the broad-based attachment of the lesion to the posterior leaflet; during mid-diastole, the mass . . . [Full Text of this Article]

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				L. Lubarsky, V. Jelnin, N. Marino, and H. S. Hecht Caseous Calcification of the Mitral Annulus by 64-Detector-Row Computed Tomographic Coronary Angiography: A Rare Intracardiac Mass Circulation, July 31, 2007; 116(5): e114 - e115. [Full Text] [PDF]

				A. Plass, J. Grunenfelder, S. Leschka, H. Alkadhi, F. R. Eberli, S. Wildermuth, G. Zund, and M. Genoni Coronary artery imaging with 64-slice computed tomography from cardiac surgical perspective. Eur. J. Cardiothorac. Surg., July 1, 2006; 30(1): 109 - 116. [Abstract] [Full Text] [PDF]