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a primary cardiac neoplasm arising most commonly in the left atrium as a soft polypoid mucinous mass attached by a stalk to the atrial septum; it may resemble an organized mural thrombus. The symptoms may include cardiac murmurs, which change with alteration of body position and signs of mitral stenosis or insufficiency, with continuous danger of embolism by fragments of the tumor or its entire mass.
atrial myxomaThe most common of the rare, primary cardiac neoplasms.
Symptoms may be obstructive (right-sided congestion), ± ascites, constitutional (fever, fatigue, arthralgias, myalgias, weight loss), Raynaud’s phenomenon, skin rash, clubbing of digits; related to embolism—shortness of breath, orthopnoea, paroxysmal nocturnal dyspnoea, fainting, palpitations, dizziness and syncope, pleuritic chest pain, haemoptysis. Age of onset 25–55.
2-D, transoesophageal echocardiography.
Excellent after excision.