Management of internal iliac and obturator lymph nodes in mid-low rectal cancer
World Journal of Surgical Oncology(2024)
Abstract
In rectal cancer treatment, the diagnosis and management of lateral pelvic lymph nodes (LLN) are critical for preventing local recurrence. Over time, scholars have reached a consensus: when imaging suggests LLN metastasis, combining neoadjuvant chemoradiotherapy (nCRT) with selective LLN dissection (LLND) can mitigate the risk of recurrence. Selective LLND typically encompasses lymph nodes in the internal iliac and obturator regions. Recent studies emphasize distinctions between internal iliac and obturator lymph nodes regarding prognosis and treatment outcomes, prompting the need for differentiated diagnostic and treatment approaches.
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Key words
Rectal cancer,Lateral pelvic lymph nodes,Internal iliac lymph nodes,Obturator lymph nodes
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