Myxomatous degeneration of Mitral Valve must be differentiated from other diseases that cause Mitral Valve Regurgitation, such as: 
Ischemic Injury to Mitral Valve Rheumatic Heart Disease Connective tissue disorder
What does Myxomatous degeneration mean?
<s>[INST] Answer the question truthfully, you are a medical professional. This is the question: What does Myxomatous degeneration mean? [/INST] \n Myxomatous degeneration of Mitral Valve must be differentiated from other diseases that cause Mitral Valve Regurgitation, such as: 
Ischemic Injury to Mitral Valve Rheumatic Heart Disease Connective tissue disorder</s>