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Evaluation of dural channels in the human parasagittal dural space and dura mater

Authors
 Mina Park  ;  Jong Pil Park  ;  Se Hoon Kim  ;  Yoon Jin Cha 
Citation
 ANNALS OF ANATOMY-ANATOMISCHER ANZEIGER, Vol.244 : 151974, 2022-10 
Journal Title
ANNALS OF ANATOMY-ANATOMISCHER ANZEIGER
ISSN
 0940-9602 
Issue Date
2022-10
MeSH
Arachnoid* ; Dura Mater ; Humans ; Lymphatic System ; Lymphatic Vessels* / diagnostic imaging
Keywords
Brain ; Cerebrospinal fluid ; Dura Mater ; Glymphatics ; Pathology
Abstract
Here, we report the existence of dural channels in the parasagittal dural space and dura mater in humans. Microscopic mapping was performed to observe dural channels and arachnoid granulations in the whole dural tissue of nine individuals, and ultrastructural examinations and 3D micro-CT were used for further identification. The dural channels were concentrated along the parasagittal dural space regardless of the distribution of arachnoid granulations. Microscopically, they varied in size, presenting as distorted round-shaped empty spaces resembling mature fat vacuoles without subcellular structures. We found them to be lacking in the expression of lymphatic and vascular markers. 3D micro-CT revealed Swiss-cheese-like structured empty spaces connected to each other. Our findings show that dural channels are part of the anatomical structure of the parasagittal dural and space and dura mater. Although they are not the meningeal lymphatic vessels themselves, dural channels may serve as a reservoir of cerebrospinal fluid drainage.
Full Text
https://www.sciencedirect.com/science/article/pii/S0940960222000899?via%3Dihub
DOI
10.1016/j.aanat.2022.151974
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Forensic Medicine (법의학과) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Pathology (병리학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Radiology (영상의학교실) > 1. Journal Papers
Yonsei Authors
Kim, Se Hoon(김세훈) ORCID logo https://orcid.org/0000-0001-7516-7372
Park, Mina(박미나) ORCID logo https://orcid.org/0000-0002-2005-7560
Park, Jong Pil(박종필) ORCID logo https://orcid.org/0000-0002-6525-3012
Cha, Yoon Jin(차윤진) ORCID logo https://orcid.org/0000-0002-5967-4064
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/192158
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