Fig. 1From: Neuroimaging appearance of hypothalamic hamartomas in monozygotic twins with Pallister-Hall syndrome: case report and review of the literatureMid-sagittal ultrasound scan through the anterior fontanel: A Twin A; B Twin B. White arrows indicate a round mass-like lesion in the suprasellar region, anterior to the brainstem, isoechoic to the surrounding parenchyma. The third ventricle’s floor is superiorly displaced, with a patent Sylvian aqueductBack to article page