Abstract

Magnetic resonance imaging (MRI) is increasingly being used for infants and small children due to rapid sequence protocols, broader scanner availability and good monitoring possibilities. The sequence protocol should always be adapted to the individual clinical needs of the infant or toddler. For some clinical indications, such as control of ventricular width in children with shunted hydrocephalus, ultrafast protocols can be used with ascanning time of just afew minutes. For more complex clinical questions, more extensive sequence protocols are warranted. Particularly for neonates and using a rapid investigation protocol, MRI examinations can very often be performed without sedation. The necessity of using gadolinium-based contrast agents has to be critically deliberated in infants and neonates and has to be exactly tailored to the clinical needs. In many cases MRI examinations of the brain in infants and neonates do not require gadolinium-based contrast agents.

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