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  Indian J Med Microbiol
 

Figure 1: Model of genomic alterations involved in the pathologic progression of brain meningioma. Abnormalities are listed according to tumor grade, in which they were first detected at a frequency of more than 30%. However, the changes may already have occurred in low-grade lesions in a small percentage of patients (illustrated by thin arrows)[7]

Figure 1: Model of genomic alterations involved in the pathologic progression of brain meningioma. Abnormalities are listed according to tumor grade, in which they were first detected at a frequency of more than 30%. However, the changes may already have occurred in low-grade lesions in a small percentage of patients (illustrated by thin arrows)<sup>[7]</sup>