On the left side of the putamen small porphyritic abnormal signal at the back of the visible, size is about 9 * 4 mm, T1W1, blackwater has low signal sequence, t2w2 high signal, world owes clear, did not see obvious enhancement, more not seen obvious abnormal parenchymal signal, ventricle system did not see obvious No obvious abnormal brain pool scratch groove shape and position No displacement of midline On both sides of the bridge - the cerebellum Angle area did not see obvious