Evidence map›Paper›PMID 41929537›Full record

ArticleExperimental and therapeutic medicine2026

Deciphering the dynamics of the splenium: A comprehensive analysis of flair hyperintensity variations.

Ezel Yaltirik Bilgin, Özkan Ünal, Yasin Özdemir, Onur Şimşek

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Article in Experimental and therapeutic medicine, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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4 · The record

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5 · Who and what money

Authors and funding

4 authors.

Ezel Yaltirik BilginDepartment of Radiology, Dr Abdurrahman Yurtaslan Ankara Oncology Training and Research Hospital, Ankara 06200, Turkey.
Özkan ÜnalDepartment of Radiology, Dr Abdurrahman Yurtaslan Ankara Oncology Training and Research Hospital, Ankara 06200, Turkey.
Yasin ÖzdemirDepartment of Radiology, Dr Abdurrahman Yurtaslan Ankara Oncology Training and Research Hospital, Ankara 06200, Turkey.
Onur ŞimşekDepartment of Radiology, Dr Abdurrahman Yurtaslan Ankara Oncology Training and Research Hospital, Ankara 06200, Turkey.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The splenium of the corpus callosum plays a pivotal role in interhemispheric communication and undergoes various changes with ageing. The present study aimed to elucidate the age-related variations in splenial fluid-attenuated inversion recovery (FLAIR) hyperintensity, providing insights into the normal ageing process of the brain and enhancing the clinical interpretation of magnetic resonance (MR) imaging. In the present retrospective cohort study, cerebral MR imaging of 1,176 patients was analysed following application of strict inclusion and exclusion criteria to isolate age and sex-related changes and other factors that can affect splenium hyperintensity. The present study focused on measuring the thickness (anteroposterior) of splenial FLAIR hyperintensity, with interobserver agreement assessed to ensure measurement reliability. Statistical analyses, including the Mann-Whitney U test for sex comparisons and the Kruskal-Wallis test for age group comparisons, were employed to investigate the effects of age, sex, radiation therapy and Fazekas score on splenial FLAIR hyperintensity. The present study demonstrated a significant increase in the presence of splenial FLAIR hyperintensity and thickness (P<0.001; P=0.006) with advancing age, particularly in individuals >57 years of age. No significant differences were observed between male and female participants, suggesting that these age-related changes were consistent across sex. Splenium hyperintensity thickness was significantly higher in the group that received radiation therapy and in the patient group with a Fazekas score of 3 (0.048, 0.018). Interobserver agreement was evaluated using the intraclass correlation coefficient (ICC) to assess measurement consistency (ICC=0.977; P<0.001). The present study provides crucial insights into the age-related dynamics of the splenium.

Indexed as

ageingage-related changescorpus callosumFLAIR hyperintensityMR imagingsplenium

Identifiers

PMID41929537
PMCPMC13040667

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