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Nomenclature and Lymphatic Drainage Patterns of Abdominal Lymph Nodes

복부 림프절의 명명법 및 림프 배액 패턴

  • Hyun Seok Cho (Department of Radiology, Yonsei University Wonju College of Medicine, Wonju Severance Christian Hospital) ;
  • Jhii-Hyun Ahn (Department of Radiology, Yonsei University Wonju College of Medicine, Wonju Severance Christian Hospital)
  • 조현석 (연세대학교 원주의과대학 원주세브란스기독병원 영상의학과) ;
  • 안지현 (연세대학교 원주의과대학 원주세브란스기독병원 영상의학과)
  • Received : 2021.12.09
  • Accepted : 2022.03.27
  • Published : 2022.11.01

Abstract

The lymphatic system provides a route for the spread of inflammation and malignancies. The identification of nodal stations and lymphatic pathways of tumor spread is important for tumor staging, choice of therapy, and the prediction of the prognosis of patients with malignant diseases. Because lymph node metastasis is common in primary intra-abdominal malignant tumors, its detection is essential for radiologists to understand the pattern of disease spread. Using schematic pictures and color-coded CT images, this pictorial essay describes the locations and nomenclature of the abdominal lymph nodes. Furthermore, the lymphatic drainage pathways of the upper and lower gastrointestinal tracts, liver, gallbladder, bile duct, and pancreas have been highlighted. In addition, lymph nodes belonging to the regional lymph nodes in malignant tumors arising from each organ are described, and certain cases are presented with images from patients.

림프계는 염증 및 악성 세포의 확산 경로를 제공한다. 종양이 확산되는 림프절의 위치와 림프 배액 경로를 인지하는 것은 종양의 병기 결정, 치료 방법 선택 및 환자의 예후 예측에 중요하다. 복강 내 악성 종양에서 림프절 전이는 흔하기 때문에 림프절 전이를 발견하고 질병의 확산 방식을 이해하는 것은 영상의학과 의사에게 필수적이다. 이 임상화보에서는 도식적인 그림들과 림프절을 색으로 표시한 CT 영상을 사용하여, 상부 및 하부 위장관, 간, 담낭, 담관 및 췌장의 림프절 위치와 이름, 그리고 림프 배수 경로에 관해 기술하였다. 또한 각 장기에서 발생하는 악성 종양의 국소 림프절의 종류에 대해 기술하고 몇몇 증례의 영상을 제시하였다.

Keywords

References

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