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. 2023 Jun 21;11:1162654. doi: 10.3389/fped.2023.1162654

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© 2023 Maia, Miranda, Geraldo, Sampaio, Ramaglia, Tortora, Severino and Rossi.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Teratoma in a 4-year-old girl. Brain MR imaging shows an expansile lesion separated from the pituitary gland, centered in the suprasellar cistern with extension into the interpeduncular (black arrowhead) and pre-pontine cisterns (empty black arrowhead). The lesion is mainly isointense on axial (A) and sagittal (B) T1WI, but presents a linear component spontaneously hyperintense anteriorly, that corresponds to adipose tissue (white arrowheads). On axial (C) and sagittal (D) T2WI the lesion shows heterogeneous signal. Post-contrast axial (E) and sagittal (F) T1WI shows only minor posterior peripheral enhancement (empty white arrowheads). There is moderate mass effect over the anterior recesses of the III ventricle (asterisk) and the optic chiasm (white arrow). Note normal positioning and enhancement of the adenohypophysis and absent hyperintense T1 bright spot of the neurohypophysis (black arrows).