atrial myxoma

atrial myxoma
a benign gelatinous growth usually pedunculated and usually arising from the interatrial septum of the heart in the region of the fossa ovalis; symptoms may include effort dyspnea, loss of weight, fatigue, low-grade fever, polyneuritis, nausea, and palpitations, and sometimes sudden syncopal attacks related to obstruction.

Large left atrial myxoma (arrows) with attachment to the interatrial septum; it contains a small calcification (asterisk).

Medical dictionary. 2011.

Look at other dictionaries:

  • Atrial myxoma — An atrial myxoma is a non cancerous tumor in the upper left or right side of the heart. It grows on the wall (atrial septum) that separates the two sides of the heart.CausesA myxoma is a primary heart (cardiac) tumor. This means that the tumor… …   Wikipedia

  • Left atrial myxoma — is a benign tumor located in the left upper chamber of the heart (atrium) on the wall that separates the left chamber from the right (the atrial septum). . Right atrial myxomas are sometimes associated with tricuspid stenosis and atrial… …   Wikipedia

  • Myxoma — For the atrial subtype, see Atrial myxoma. For the virus, see Myxoma virus. Myxomatous redirects here. It is not to be confused with Myxomatosis. Myxoma Classification and external resources …   Wikipedia

  • myxoma — A benign neoplasm derived from connective tissue, consisting chiefly of polyhedral and stellate cells that are loosely embedded in a soft mucoid matrix, thereby resembling primitive mesenchymal tissue; occurs frequently intramuscularly (where it… …   Medical dictionary

  • myxoma — n. a benign gelatinous tumour of connective tissue. Atrial myxoma is a tumour of the heart, usually of the left side, arising from the septum dividing the two upper chambers. Symptoms may include fever, lassitude, joint pains, and sudden loss of… …   The new mediacal dictionary

  • syndrome — The aggregate of symptoms and signs associated with any morbid process, and constituting together the picture of the disease. SEE ALSO: disease. [G. s., a running together, tumultuous concourse; (in med.) a concurrence of symptoms, fr. syn,… …   Medical dictionary

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  • Cystic tumour of the atrioventricular nodal region — Classification and external resources Micrograph of a cystic tumour of the atrioventricular nodal region. H E stain …   Wikipedia

  • Carney complex — Classification and external resources Micrograph showing an atrial myxoma, a tumour seen in the Carney complex. H E stain. OMIM …   Wikipedia

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