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Fazekas suggested a scale to grade white-matter hyperintensities, which was later named the Fazekas scale and is used worldwide in neurology and neuroradiology. [3] Additionally, Fazekas is one of the first researchers who suggested MRT-based criteria for the diagnosis of multiple sclerosis. [ 1 ]
[note 1] Gleason scores are commonly grouped into "Gleason grade groups", which predict disease prognosis: a Gleason score of 6 is Gleason grade group 1 (best prognosis). A score of 7 (with Gleason scores 4 + 3, or Gleason scores 3 + 4, with the most prominent listed first) can be grade group 2 or 3; it is grade group 2 if the less severe ...
The WHO grade has four categories of tumors: Grade 1 tumors are slow-growing, nonmalignant, and associated with long-term survival. Grade 2 tumors are relatively slow-growing but sometimes recur as higher grade tumors. They can be nonmalignant or malignant. Grade 3 tumors are malignant and often recur as higher grade tumors.
For example, if the most prevalent pattern/grade is 2, and the second most prevalent grade is 1, then the Gleason score is 2+1=3. If the neoplasm has only one pattern, the grade of that pattern is doubled to obtain the score. For example, if a tumor is entirely grade 1, the Gleason score would be 1+1=2.
Prognosis depends on the condition itself. Some conditions such as MS depend on the subtype of the disease and various attributes of the patient such as age, sex, initial symptoms, and the degree of disability the patient experiences. [14] Life expectancy in MS patients is 5 to 10 years lower than unaffected people. [15]
The United States Food and Drugs Administration is warning pet owners about a common medication given to pets to treat arthritis. The F.D.A. now says that the drug Librela may be associated with ...
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The prognosis for a subependymoma is better than for most ependymal tumors, [3] and it is considered a grade I tumor in the World Health Organization (WHO) classification. They are classically found within the fourth ventricle , typically have a well demarcated interface to normal tissue and do not usually extend into the brain parenchyma ...
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