This episode examines morphometric changes following endoscopic third ventriculostomy, comparing pediatric and adult patient populations. Based on the full text of a study published in Child's Nervous System in 2026, we delve into the study design, patient cohorts, and the significant findings related to anatomical alterations after this common neurosurgical procedure. Understand the nuances of ETV outcomes in younger patients versus adults and how these differences might inform clinical practice. This discussion is intended for medical professionals and does not constitute medical advice. The information presented is for educational purposes only.