Intracranial Air Absorption through Arachnoid Granulation: New Considerations from Transsphenoidal Surgery and Implications for Neurofluid Dynamics
Magn Reson Med Sci. 2023 Nov 10. doi: 10.2463/mrms.bc.2023-0122. Online ahead of print.ABSTRACTPostsurgery intracranial air usually diminishes, presumably merging with cerebrospinal fluid (CSF) and venous circulation. Our study presents two transsphenoidal surgery cases, highlighting potential air absorption by arachnoid granulation (AG)-an underexplored phenomenon. AG has long been deemed pivotal for CSF absorption, but recent perspectives suggest a significant role in waste clearance, neuroinflammation, and neuroimmunity. These cases may stimulate renewed research on the multifaceted role of AG in neurofluid dynamics and...
Source: Magnetic Resonance in Medical Sciences - November 12, 2023 Category: Radiology Authors: Shinji Naganawa Rintaro Ito Mariko Kawamura Toshiaki Taoka Source Type: research

Effect of the Surrounding Magnetic Environment of Temporal Bone on the Fluid Signal Intensity in Human Inner Ear Using a Combined T2 Preparation Pulse and Fluid Attenuated Inversion Pulse Technique
CONCLUSION: The surrounding magnetic environment of the temporal bone affects lymphatic fluid signals of the peripheral part of the human inner ear on T2prep 3D-FLAIR technique.PMID:37914371 | DOI:10.2463/mrms.mp.2023-0074 (Source: Magnetic Resonance in Medical Sciences)
Source: Magnetic Resonance in Medical Sciences - November 1, 2023 Category: Radiology Authors: Nobuyasu Ichinose Kentaro Haraoka Takaya Mori Masanori Ozaki Akira Taniguchi Source Type: research

High-resolution Diffusion-weighted Imaging of the Prostate Using Multiplexed Sensitivity-encoding: Comparison with the Conventional and Reduced Field-of-view Techniques
CONCLUSION: High-resolution MUSE-DWI showed higher image quality and reduced distortion compared to c-DWI, while maintaining a wide FOV and similar ADC quantification, although no difference in lesion conspicuity was observed.PMID:37899224 | DOI:10.2463/mrms.mp.2023-0039 (Source: Magnetic Resonance in Medical Sciences)
Source: Magnetic Resonance in Medical Sciences - October 29, 2023 Category: Radiology Authors: Atsushi Nakamoto Hiromitsu Onishi Takahiro Tsuboyama Hideyuki Fukui Takashi Ota Keigo Yano Kengo Kiso Toru Honda Hiroyuki Tarewaki Yoshihiro Koyama Mitsuaki Tatsumi Noriyuki Tomiyama Source Type: research

Low b-value Diffusion Tensor Imaging to Analyze the Dynamics of Cerebrospinal Fluid: Resolving Intravoxel Pseudorandom Motion into Ordered and Disordered Motions
CONCLUSION: The proposed analysis technique will facilitate a comprehensive investigation of the complex dynamics of the CSF using resolved parameters representing ordered and disordered motions.PMID:37899254 | DOI:10.2463/mrms.mp.2023-0081 (Source: Magnetic Resonance in Medical Sciences)
Source: Magnetic Resonance in Medical Sciences - October 29, 2023 Category: Radiology Authors: Yoshitaka Bito Hisaaki Ochi Ryuji Shirase Wataru Yokohama Kuniaki Harada Kohsuke Kudo Source Type: research

High-resolution Diffusion-weighted Imaging of the Prostate Using Multiplexed Sensitivity-encoding: Comparison with the Conventional and Reduced Field-of-view Techniques
CONCLUSION: High-resolution MUSE-DWI showed higher image quality and reduced distortion compared to c-DWI, while maintaining a wide FOV and similar ADC quantification, although no difference in lesion conspicuity was observed.PMID:37899224 | DOI:10.2463/mrms.mp.2023-0039 (Source: Magnetic Resonance in Medical Sciences)
Source: Magnetic Resonance in Medical Sciences - October 29, 2023 Category: Radiology Authors: Atsushi Nakamoto Hiromitsu Onishi Takahiro Tsuboyama Hideyuki Fukui Takashi Ota Keigo Yano Kengo Kiso Toru Honda Hiroyuki Tarewaki Yoshihiro Koyama Mitsuaki Tatsumi Noriyuki Tomiyama Source Type: research

Low b-value Diffusion Tensor Imaging to Analyze the Dynamics of Cerebrospinal Fluid: Resolving Intravoxel Pseudorandom Motion into Ordered and Disordered Motions
CONCLUSION: The proposed analysis technique will facilitate a comprehensive investigation of the complex dynamics of the CSF using resolved parameters representing ordered and disordered motions.PMID:37899254 | DOI:10.2463/mrms.mp.2023-0081 (Source: Magnetic Resonance in Medical Sciences)
Source: Magnetic Resonance in Medical Sciences - October 29, 2023 Category: Radiology Authors: Yoshitaka Bito Hisaaki Ochi Ryuji Shirase Wataru Yokohama Kuniaki Harada Kohsuke Kudo Source Type: research

High-resolution Diffusion-weighted Imaging of the Prostate Using Multiplexed Sensitivity-encoding: Comparison with the Conventional and Reduced Field-of-view Techniques
CONCLUSION: High-resolution MUSE-DWI showed higher image quality and reduced distortion compared to c-DWI, while maintaining a wide FOV and similar ADC quantification, although no difference in lesion conspicuity was observed.PMID:37899224 | DOI:10.2463/mrms.mp.2023-0039 (Source: Magnetic Resonance in Medical Sciences)
Source: Magnetic Resonance in Medical Sciences - October 29, 2023 Category: Radiology Authors: Atsushi Nakamoto Hiromitsu Onishi Takahiro Tsuboyama Hideyuki Fukui Takashi Ota Keigo Yano Kengo Kiso Toru Honda Hiroyuki Tarewaki Yoshihiro Koyama Mitsuaki Tatsumi Noriyuki Tomiyama Source Type: research