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The diaphragma sellae, diaphragm opening, and subdiaphragmatic cistern: an anatomical study using magnetic resonance imaging

  • Satoshi TsutsumiEmail author
  • Hideo Ono
  • Yukimasa Yasumoto
  • Hisato Ishii
Original Article
  • 36 Downloads

Abstract

Purpose

Few studies have explored the detailed morphology of the diaphragma sellae (DS), diaphragm opening (DO) or stoma, and subdiaphragmatic cistern (SDC) using neuroimages. The aim of the present study was to characterize these structures using magnetic resonance imaging.

Methods

Thin-sliced, sagittal and coronal T2-weighted imaging was performed for a total of 84 outpatients.

Results

The DS, DO, SDC, and relevant structures were consistently delineated in all patients. In 66% of patients, all three structures appeared to be highly variable, and were classifiable as six distinct morphological types. In 4% of patients, the DS presented as a complete sheet lacking a discernible DO. In addition, 30% of the patients presented with undiscernible SDCs. In the coronal sections of 11% of patients, the pituitary glands extended laterally, reaching or extending beyond the center line on the sectional image of the cavernous internal carotid artery.

Conclusions

Thin-sliced, sagittal, and coronal T2-weighted sequences are useful for delineating the DS, DO, and SDC. Morphological variation of these structures among individuals may considerably influence the direction of pituitary tumor expansion.

Keywords

Diaphragm Diaphragmatic stoma Subdiaphragmatic MRI 

Notes

Acknowledgements

This work was not supported by grant funding.

Author contributions

Satoshi Tsutsumi developed the study design. Hisato Ishii and Yukimasa Yasumoto collected the imaging data. Hideo Ono and Hisato Ishii analyzed the imaging data. Satoshi Tsutsumi wrote the manuscript.

Compliance with ethical standards

Conflict of interest

The authors have no conflicts of interest concerning the materials or methods used in this study, or the findings presented in this paper.

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Copyright information

© Springer-Verlag France SAS, part of Springer Nature 2019

Authors and Affiliations

  • Satoshi Tsutsumi
    • 1
    Email author
  • Hideo Ono
    • 2
  • Yukimasa Yasumoto
    • 1
  • Hisato Ishii
    • 1
  1. 1.Department of Neurological SurgeryJuntendo University Urayasu HospitalUrayasuJapan
  2. 2.Division of Radiological TechnologyMedical Satellite Yaesu ClinicTokyoJapan

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