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Three-dimensional anatomy of the Denonvilliers' fascia after micro-CT reconstruction

Authors
 Seung Yoon Yang  ;  Ho Seung Kim  ;  Min Soo Cho  ;  Nam Kyu Kim 
Citation
 SCIENTIFIC REPORTS, Vol.11(1) : 21759, 2021-11 
Journal Title
SCIENTIFIC REPORTS
Issue Date
2021-11
MeSH
Aged ; Aged, 80 and over ; Fascia / anatomy & histology ; Fascia / diagnostic imaging* ; Humans ; Male ; Pelvis / anatomy & histology ; Pelvis / diagnostic imaging* ; Rectal Neoplasms / surgery ; X-Ray Microtomography
Abstract
An understanding of the anatomy of the Denonvilliers' fascia is essential for successful surgical outcomes for patients with rectal cancer in the mid- to lower regions, especially near the seminal vesicles and prostate in males. Whether the correct surgical plane during a total mesorectal excision should be anterior or posterior to the Denonvilliers' fascia is currently under debate. This study aimed to investigate the Denonvilliers' fascia using micro-computed tomography (micro-CT) to acquire three-dimensional images nondestructively for assessments of the relationship between the Denonvilliers' fascia, the mesorectal fascia, and neurovascular bundles to elucidate the correct anterior total mesorectal excision plane. Eight specimens were obtained bilaterally from four fresh human cadavers. Four specimens were stained with phosphotungstic acid to visualize the soft tissue, and micro-CT images were obtained; the other four specimens were stained with Masson's trichrome to visualize connective tissue. Micro-CT images corroborate that the Denonvilliers' fascia consists of a multilayered structure that separates the rectum from the seminal vesicles and the prostate. Specimens stained with Masson's trichrome showed that the urogenital neurovascular bundle located at the posterolateral corner of the prostate is separated from the mesorectum by the Denonvilliers' fascia. For the preservation of autonomic nerves necessary for urogenital function and optimal oncologic outcomes in patients with rectal cancer, a successful mesorectal excision requires a dissection plane posterior to the Denonvilliers' fascia.
Files in This Item:
T202126203.pdf Download
DOI
10.1038/s41598-021-01106-8
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Surgery (외과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Nam Kyu(김남규) ORCID logo https://orcid.org/0000-0003-0639-5632
Yang, Seung Yoon(양승윤) ORCID logo https://orcid.org/0000-0001-8129-7712
Cho, Min Soo(조민수)
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/190602
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