Cardiac Myxoma: It is derived from the Mesenchyme and usually arise within the left atrium near the fossa ovalis. It restrict the blood flow to left ventricle. Shows constitutional signs of fever, weight loss and anemia. Microscopic picture- Stellate shaped cells in the myxoid background. Complications- Embolism (mostly in the brain), Ball valve obstruction of valves. Cardiac Rhabdomyomas: Benign tumour arising from myocardium.. Associated with Tuberous sclerosis . Metastatic Disease: Most commonly from Lungs. This is more common than primary cardiac tumors.
Science progresses by questioning the existing dogmas.