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KMID : 1103720220830061240
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Journal of the Korean Society of Radiology
2022 Volume.83 No. 6 p.1240 ~ p.1258
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Nomenclature and Lymphatic Drainage Patterns of Abdominal Lymph Nodes
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Cho Hyeon-Seok
Ahn Jhi-Hyun
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Abstract
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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.
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KEYWORD
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Abdomen, Lymph Nodes, Lymphatic System, Neoplasms
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