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<p>Gastrointestinal (GI) cancers are a leading cause of cancer-related mortality worldwide. Accurate identification of lymphatic spread is essential for staging, prognosis, and treatment planning. The first metastatic lymph nodes vary depending on the primary tumor site, representing the initial echelon of nodal involvement. This pictorial essay reviews the lymphatic drainage patterns of major gastrointestinal cancers—including esophageal, gastric, pancreatic, hepatobiliary, and colorectal tumors—highlighting key nodal stations commonly involved in metastatic spread emphasizing their diagnostic and clinical relevance. By integrating multimodality imaging findings, we highlight key lymph node groups involved in metastasis, discuss their anatomical significance, and illustrate their appearance on computed tomography (CT) and magnetic resonance imaging (MRI). Understanding these patterns is critical for optimizing oncologic management.</p>

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Mapping nodal metastasis in GI cancers: key lymphatic stations and dissemination patterns

  • 期刊论文

  • 发表日期：

    2025年5月26日

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  • Júlia de Toledo-Mendes,
  • Cynthia Lopes Pereira de Borborema,
  • Bruna Kozlowski Andreucci,
  • Nathalia Gonçalves Dias,
  • Matheus Menezes Gomes,
  • Andrei Saraiva Purysko,
  • Eduardo Oliveira Pacheco,
  • Ulysses dos Santos Torres,
  • Fernanda Lopez Mazzucato,
  • Giuseppe D’Ippolito

摘要

Gastrointestinal (GI) cancers are a leading cause of cancer-related mortality worldwide. Accurate identification of lymphatic spread is essential for staging, prognosis, and treatment planning. The first metastatic lymph nodes vary depending on the primary tumor site, representing the initial echelon of nodal involvement. This pictorial essay reviews the lymphatic drainage patterns of major gastrointestinal cancers—including esophageal, gastric, pancreatic, hepatobiliary, and colorectal tumors—highlighting key nodal stations commonly involved in metastatic spread emphasizing their diagnostic and clinical relevance. By integrating multimodality imaging findings, we highlight key lymph node groups involved in metastasis, discuss their anatomical significance, and illustrate their appearance on computed tomography (CT) and magnetic resonance imaging (MRI). Understanding these patterns is critical for optimizing oncologic management.