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23.04.2019 | Original Article

Detectability of the choroid plexus of the third ventricle with magnetic resonance ventriculography

verfasst von: Ken Sato, Masanori Awaji, Shoichi Inagawa, Yuichiro Yoneoka, Junichi Yoshimura, Norihiko Yoshimura, Hidefumi Aoyama

Erschienen in: Japanese Journal of Radiology | Ausgabe 6/2019

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Abstract

Purpose

To clarify the detectability of the choroid plexus of the third ventricle (ChPl3V) with magnetic resonance ventriculography (MRVn) employing a steady-state free precession (SSFP) sequence in comparison to surgical endoscopic movies as a golden standard, as we encountered some clinical cases of total agenesis of corpus callosum (ACC) where we could not recognize the choroid plexus of the third ventricle and found no previous article addressing this problem.

Materials and methods

This retrospective study included consecutive patients from 2010 to 2016 for whom endoscopic evaluation of the third ventricle was conducted. The anterior portion of the right and left streaks of ChPl3V was evaluated in 8 patients on 16 sites, while the posterior portion of both streaks of ChPl3V was evaluated in 13 patients on 26 sites. Sensitivity of MRVn to visualize ChPl3V with endoscopic movies as the golden standard was calculated.

Results

Sensitivity of MRVn in visualizing the anterior portion of ChPl3V was 0.813, and that for the posterior portion 0.692. The anterior portion of ChPl3V was visualized in all cases where no tumor contacted the foramen of Monro.

Conclusion

MRVn visualizes the anterior portion of ChPl3V with significant sensitivity and the posterior portion with lower one.

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Titel: Detectability of the choroid plexus of the third ventricle with magnetic resonance ventriculography
verfasst von: Ken Sato
Masanori Awaji
Shoichi Inagawa
Yuichiro Yoneoka
Junichi Yoshimura
Norihiko Yoshimura
Hidefumi Aoyama
Publikationsdatum: 23.04.2019
Verlag: Springer Japan
Erschienen in: Japanese Journal of Radiology / Ausgabe 6/2019
Print ISSN: 1867-1071
Elektronische ISSN: 1867-108X
DOI: https://doi.org/10.1007/s11604-019-00834-2

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Detectability of the choroid plexus of the third ventricle with magnetic resonance ventriculography