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Jpn Circ J. 1992 Aug;56(8):866-70.

Spherical liquefaction necrosis of mitral annular calcification in a chronic dialysis patient--liquefaction necrosis of mitral annular calcification.

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Department of Cardiology, Ishikawa Prefectural Central Hospital, Kanazawa, Japan.


A 60-year-old woman on chronic dialysis consulted our department for closer examination of transient atrial fibrillation and a mitral regurgitant murmur. Echocardiography revealed a left atrial abnormal dense echogenic spherical mass, the diameter of which was 2 cm. She died of cerebral bleeding 3 months later. At autopsy, the submitral mass-like structure consisted of light-gray pasty material, which was liquefaction necrosis of a mitral annular calcification. These findings were different from those of the so-called mitral annular calcification found in the elderly or in chronic renal failure patients. The existence of such calcification must be kept in mind and not be mistaken for cardiac tumor.

[Indexed for MEDLINE]

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