ArticleUpdates in surgery2022
An anatomical study on intersphincteric space related to intersphincteric resection for ultra-low rectal cancer.
Article in Updates in surgery, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
3 citing papers in PubMed.
- The Effects of Intersphincteric Space Dissection Approaches on Low Rectal Cancer Outcomes: A Multicenter Retrospective Study in China.Annals of surgery open : perspectives of surgical history, education, and clinical approaches · 2025Article
- Contrast-enhanced Micro-CT imaging of a foetal female pelvic floor reveals anatomical details.PloS one · 2025Article
- Clinical efficacy and pathological outcomes of transanal endoscopic intersphincteric resection for low rectal cancer.World journal of gastrointestinal oncology · 2024Article
Corrections and comments
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Authors and funding
10 authors.
Funding
Abstract
backgroundIntersphincteric resection (ISR) has been proposed to offer sphincter-sparing solution for patients with ultra-low rectal cancer. However, complete and accurate concepts about the intersphincteric space (ISS) related anatomy are not demonstrated clearly. This study aimed to provide a comprehensive description about the anatomic structure of ISS related to ISR.
methodsThis was a descriptive morphological study. 28 pelvic specimens were obtained from body donors. Macroscopic and microscopic observation of ISS was performed via gross anatomy, plastinated sections and histologic staining. The anatomical parameters of the anal canal were measured. Images of laparoscopic ISS dissection procedures were real-timely captured during ISR.
resultsThe hiatal ligament, microvessels on supra fascia of LAM and rectal longitudinal muscle at the level of anorectal ring, especially at 1, 5, 7, and 11o'clock, could be the preferred entrance of ISS. The conjoint longitudinal muscle (CLM), the major component of ISS, was the continuum of the rectal longitudinal muscle and got reinforcement from the elastic fibers from LAM and EAS. Microvessels and neuro tissues were also found in ISS. The ISS was split into two spaces by the CLM in the middle and might subjectively be divided into three segments according to its different compositions. The length and width of ISS varied from different segments and directions.
conclusionsWe provided a systemic description of boundaries, contents and topographic structure of ISS, which may help proper determination of surgical approaches and dissection planes during ISR.
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