Fig. 22From: Magnetic resonance imaging of sellar and juxtasellar abnormalities in the paediatric population: an imaging reviewPilomyxoid astrocytoma in a 4-month-old baby girl. Sagittal T1WI (a) shows a large hypothalamic lesion with intermediate signal which extends superiorly into and filling the third ventricle, and inferiorly into the suparsellar cistern. The tumour has mostly high signal on axial T2WI (b)Back to article page