ArticleAnnals of gastroenterological surgery2022
Morphological characteristics of lateral pelvic lymph nodes in locally advanced lower rectal cancer: A retrospective study.
Article in Annals of gastroenterological surgery, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Preoperative MRI Assessment of Mesorectal Lymph Node Metastasis in Patients with Rectal Cancer: A Retrospective Study.Journal of the anus, rectum and colon · 2025Article
- Preoperative factors associated with lateral lymph node metastasis in lower rectal cancer and the evaluation of the middle rectal artery.Surgery today · 2024Article
- Review
- Morphological characteristics of lateral pelvic lymph nodes in locally advanced lower rectal cancer: A retrospective study.Annals of gastroenterological surgery · 2022Article
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Authors and funding
8 authors.
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Abstract
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 ( 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.
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