Hello, Worsening of the symptoms you mention does not necessarily mean that the stroke from the right parietal lobe is actually WORSENING. MS cannot be diagnosed based on your symptoms. More history, age of the patient, neurological examination are necessary for that type of diagnosis. Mild microvascular ischemia can be seen in people who have any history of high blood pressure, diabetes, smoking, high cholesterol, heart disease, and other things. 20% of normal subjects also have MRI s that show microvascular ischemia as well so its presence is not necessarily a bad diagnostic or prognostic factor. Increasing gliosis doesn t really make sense to me unless they have serial images of you AFTER the stroke of 2010. I recommend you see a neurologist who can do a good examination for you, take the proper history, and send you for appropriate testing or imaging. Then, the likely diagnosis will be revealed. But as it stands I do not see these symptoms as being representative of TIA s nor MS. Hope I have answered your query. Let me know if I can assist you further. Take care Regards, Dr Dariush Saghafi, Neurologist