Although movement and pulsation artifacts are a frequent problem in daily routine, especially in the evaluation of pediatric patients, few articles on this topic can be found in the literature. Experience from Stuttgart shows that MR images of the posterior fossa, cerebellum and brain stem may be significantly impaired by artifacts from pulsatile flow of blood or cerebrospinal fluid even without inadvertent patient head movement. Sedation or general anesthesia rarely influence these pulsation or flow artifacts. However, accurate assessment of small brain lesions is essential in many pediatric patients, especially those with malignant brain tumors. BLADE reduces movement and pulsation artifacts in T2w FLAIR images without relevant loss of image quality. It therefore markedly improves depiction of small and low contrast brain lesions in the posterior fossa of pediatric patients. This can be crucial especially following surgery of malignant brain tumors. In the absence of major artifacts, in this study, lesions of all sizes were depicted with comparable quality by both techniques (BLADE vs conventional FSE technique). [...]