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Updated: Jul 19, 2026

Echocardiographic Approaches and Protocols for Comprehensive Phenotypic Characterization of Valvular Heart Disease in Mice
Published on: February 14, 2017
Tophaceous pseudogout of the mitral valve
M R Moon1, J I Fann, P C Deedwania
1Department of Pathology, Veterans Affairs Health Care System, Palo Alto, California, USA.
Abstract:
This report describes a 61-year-old patient on chronic hemodialysis with multiple, left-sided, intracardiac masses causing intermittent coronary obstruction. Mitral valve replacement was performed. Massive deposition of calcium pyrophosphate crystals in and around the valve cusps led to the diagnosis of tophaceous pseudogout (tumoral calcinosis) of the mitral valve.
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