Fig. 2From: Are we over treating Pineal Parenchymal tumour with intermediate differentiation? Assessing the role of localised radiation therapy and literature review a Malignant pineocytes exhibit increased nuclear pleomorphism. A mitotic figure is present (arrow). b MIB-1 demonstrating higher proliferative index. c Weak, patchy neurofilament staining positivity most cells are negativeBack to article page