In the current issue of JNNP, Iwadate and colleagues investigated the correlation between the changes in 11C-methionine positron emission tomography (PET) and the 1p/19q status in oligodendroglial tumours. Gliomas are the most common primary brain tumour in adults. Typically, based in the histological classification, gliomas have been classified into two major subgroups: (i) astrocytic […]