Malignant granular cell myoblastoma with metastatic cardiac involvement: Case report and echocardiogram.
A malignant form of granular cell myoblastoma originating in the shoulder, gave rise to metastatic cardiac involvement causing infiltrative cardiomyopathy with heart block. The patient survived four months with a permanent pacemaker. The echocardiographic and histological features are described and the literature is reviewed. Features shown on the echocardiogram are indistinguishable from other causes of infiltrative cardiomyopathies.
D000328:Adult; D009202:Cardiomyopathies / Q000209:etiology; D004452:Echocardiography; D005260:Female; D006327:Heart Block / Q000209:etiology; D006338:Heart Neoplasms / Q000175:diagnosis / Q000473:pathology / Q000556:secondary*; D006801:Humans; D009379:Neoplasms, Muscle Tissue / Q000175:diagnosis* / Q000473:pathology