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 Indian J Med Microbiol  
 

Figure 15 (A, B): Neoplasm. Two patients (A and B) presented in their 70s with headache and giddiness. On contrast-enhanced MRI, welldefi ned white matter tumors are seen extending to the other hemisphere in a "butterfl y pattern" in both patients. They show intense enhancement with areas of necrosis and hemorrhage within on post-contrast T1W images (A, B).Tumor A is seen in the left frontal lobe involving the genu (arrow in A), while tumor B is in the posterior parietal lobes involving the splenium (arrow in B) of corpus callosum. On histopathology, tumor A was GBM, while tumor B was B-cell non-Hodgkin's lymphoma

Figure 15 (A, B): Neoplasm. Two patients (A and B) presented in their 70s with headache and giddiness. On contrast-enhanced MRI, welldefi ned white matter tumors are seen extending to the other hemisphere in a