Morphological characteristics of lateral pelvic lymph nodes in locally advanced lower rectal cancer: A retrospective study Article Swipe
Yushi Suzuki
,
Takeshi Sasaki
,
Hiro Hasegawa
,
Koji Ikeda
,
Koichi Teramura
,
Yuichiro Tsukada
,
Yuji Nishizawa
,
Masaaki Ito
·
YOU?
·
· 2022
· Open Access
·
· DOI: https://doi.org/10.1002/ags3.12590
YOU?
·
· 2022
· Open Access
·
· DOI: https://doi.org/10.1002/ags3.12590
Aim This study aimed to investigate the potential of the size and aspect ratio of metastatic and non‐metastatic lateral pelvic lymph nodes (LPLNs) as low‐risk markers for locally advanced lower rectal cancer, without treatment by neoadjuvant chemoradiation therapy or LPLN dissection. Methods This single‐center, retrospective cohort study evaluated 310 consecutive patients diagnosed with lower rectal cancer (T: T3/T4, N: any, and M: M0) who underwent curative surgery without neoadjuvant therapies between 2010 and 2018. The harvested LPLNs were categorized into groups A (metastasis‐positive lymph nodes), B (metastasis‐negative lymph nodes in the area bearing metastasis‐positive lymph nodes), C (metastasis‐negative lymph nodes in a metastasis‐negative area in metastasis‐positive patients), and D (lymph nodes in non‐metastatic patients). The main outcome measure was the relationship among lymph node size, aspect ratio, and metastasis in the LPLNs. Results Overall, 3962 LPLNs were harvested. The long and short axes and the aspect ratio were significantly longer and higher, respectively, in group A than in the other groups ( P < .001). The aspect ratio in group B was significantly higher than that in groups C and D ( P < .001). The aspect ratio in group C was significantly higher than that in group D ( P < .001). Furthermore, no metastasis‐positive lymph nodes had an aspect ratio of less than 0.4. Metastasis‐positive LPLNs tended to be larger and rounder than their metastasis‐negative counterparts. Conclusions Metastatic LPLNs in patients with lower rectal cancer are significantly larger and have a higher aspect ratio. Lymph nodes with aspect ratios of <0.4 were metastasis negative.
Related Topics
Concepts
Metadata
- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.1002/ags3.12590
- OA Status
- gold
- Cited By
- 4
- References
- 25
- Related Works
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- OpenAlex ID
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All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W4283585801Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.1002/ags3.12590Digital Object Identifier
- Title
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Morphological characteristics of lateral pelvic lymph nodes in locally advanced lower rectal cancer: A retrospective studyWork title
- Type
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articleOpenAlex work type
- Language
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enPrimary language
- Publication year
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2022Year of publication
- Publication date
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2022-06-26Full publication date if available
- Authors
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Yushi Suzuki, Takeshi Sasaki, Hiro Hasegawa, Koji Ikeda, Koichi Teramura, Yuichiro Tsukada, Yuji Nishizawa, Masaaki ItoList of authors in order
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https://doi.org/10.1002/ags3.12590Publisher landing page
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YesWhether a free full text is available
- OA status
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goldOpen access status per OpenAlex
- OA URL
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https://doi.org/10.1002/ags3.12590Direct OA link when available
- Concepts
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Lymph, Medicine, Metastasis, Colorectal cancer, Retrospective cohort study, Dissection (medical), Cancer, Internal medicine, Lymph node, Oncology, Gastroenterology, Radiology, PathologyTop concepts (fields/topics) attached by OpenAlex
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4Total citation count in OpenAlex
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2025: 1, 2024: 2, 2022: 1Per-year citation counts (last 5 years)
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10Other works algorithmically related by OpenAlex
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