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There is a well-defined unilocular ovoid cystic lesion centered on the left centrum semiovale, communicating through the midline with others lobulated multiseptated cystic lesions of extra-axial location in the right frontal region. These cystic lesions demonstrate a low signal on T1WI, high signal on T2WI with no peripheral enhancement or surrounding oedema seen. A mass effect is noted on the midline structures. Note the involvement of the right frontal bone and adjacent subgaleal tissue.