passages.id: split_4_test_2247_passage
passages.type: progene_text
passages.text: Adjacent to those lesions , and in homologous contralateral structures , FMZ binding was analysed in four pairs of cortical 9 x 9 - mm regions of interest ( ROIs ) placed on transaxial and coronal slices , respectively , as well as in the lesion volume and its mirror region .