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Update on indications for lateral lymph node dissection in the management of lower rectal cancer
Author(s) -
Fung Derek Tak Lit,
Lee Peter Jun Myung
Publication year - 2020
Publication title -
anz journal of surgery
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.426
H-Index - 70
eISSN - 1445-2197
pISSN - 1445-1433
DOI - 10.1111/ans.15691
Subject(s) - medicine , dissection (medical) , colorectal cancer , lymph node , metastasis , magnetic resonance imaging , general surgery , chemoradiotherapy , surgery , radiology , cancer , chemotherapy
The presence of lateral lymph node (LLN) metastasis was associated with higher local recurrence risk in patients with lower rectal cancer. The role of LLN dissection has not been fully determined despite prolonged debate that last for few decades. The practical difference between Japan and the West was the main culprit. Japanese used to rely on surgical removal of LLN as local control while the West believed that LLN dissection could be spared after giving neoadjuvant chemoradiotherapy. As time passed, it is getting more common to combine both treatments. With the quality improvement in magnetic resonance imaging, we can now predict the chance of LLN metastasis and evaluate the treatment response with good accuracy. Few large analyses have been published recently and provided us more insight into this topic. In this review, we summarized and provided an update on the latest evidence. We have proposed a treatment algorithm on the management of LLNs which may help clinical decision and provide idea for further research.

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