A novel MRI feature, the cut green pepper sign, can help differentiate a suprasellar pilocytic astrocytoma from an adamantinomatous craniopharyngioma. - Shumin Xu; Wanqun Yang; Yi Luo; Xiaoyu Wang; Yaowen Li; Xianlei Meng; Yuze Zhang; Hongwu Zeng; Biao Huang 008 (BMC Medical Imaging, 2023)