Shape Analysis of the Corpus Callosum in Pediatric Hydrocephalus: A Comparison Between Cases with and without Shunt Revision Surgery.

Turkish neurosurgery Pub Date : 2026-01-01 DOI:10.5137/1019-5149.JTN.49954-25.3

Elif Basaran Gundogdu, Deniz Sigirli

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Abstract

Aim: To investigate corpus callosum shape differences in pediatric hydrocephalus patients with and without shunt revisions.

Material and methods: Midsagittal magnetic resonance imaging studies from 45 cases (25 with and 20 without shunt revision surgeries) that underwent ventriculoperitoneal shunt surgery between 2016 and 2025 were retrospectively analyzed. Corpus callosum shape deformations were evaluated using thin plate spline (TPS) analysis. Landmark-based geometric morphometric methods were applied, and growth curve modeling was used to assess the relationship between centroid size and the number of shunt revisions.

Results: TPS analysis revealed that patients with multiple shunt revisions exhibited the most prominent corpus callosum deformations in the posterior region. Atrophy was detected mainly in the splenium region.

Conclusion: This study identified changes in the corpus callosum of pediatric hydrocephalus patients with multiple shunt revisions compared to those without shunt revisions. These findings may help characterize the clinical features of cases with multiple shunt revisions.

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小儿脑积水胼胝体形态分析：行与不行分流翻修手术的比较。

目的：本研究旨在探讨小儿脑积水患者的胼胝体形状的差异与不分流修复。材料与方法：回顾性分析2016年至2025年间行脑室-腹膜分流术的45例（行分流术翻修术25例，未行分流术20例）的正中矢状位磁共振成像图像。用薄板样条（TPS）分析胼胝体形状变形。采用基于地标的几何形态测量方法，并使用生长曲线建模来评估质心大小与分流修正次数之间的关系。结果：TPS分析显示，多次分流修复的患者后侧胼胝体变形最为突出。萎缩主要发生在脾区。结论：本研究确定了小儿脑积水患者的胼胝体的变化，这些患者进行了多次分流术翻修，与没有进行分流术翻修的患者相比。这些发现可能有助于确定多次分流术翻修病例的临床特征。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Turkish neurosurgery

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