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Atrial Myxoma

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Myxomas make up approximately 50% of all primary cardiac tumors. They may be sporadic or occur in familial setting. Sporadic tumors are usually single, involve the left atrium, and generally occur in middle-aged women. Familial tumors occur in younger patients, may be multicentric in about 30% of cases, and occur slightly more commonly in males. In approximately 20% of familial cases, there are extra-cardiac manifestations which make up the Carney Complex. Grossly, the tumor is soft, polypoid, and lobulated with gelatinous consistency. In many cases, a stalk can be clearly seen (bottom of the image) with which the tumor is attached to the interatrial septum near foramen ovale. The tumor shown here measured about 3.0 cm in size. Image courtesy of Dr. Jean-Christophe Fournet, Paris, France; humpath.com; Used with permission

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