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Lymph nodes of the lungs: The lymph is drained from the lung tissue through subsegmental, segmental, lobar and interlobar lymph nodes to the hilar lymph nodes, which are located around the hilum (the pedicle, which attaches the lung to the mediastinal structures, containing the pulmonary artery, the pulmonary veins, the main bronchus for each side, some vegetative nerves and the lymphatics) of ...
Retroperitoneal lymph node dissection It is also possible to have a neoplasm in this area, more commonly a metastasis ; or very rarely a primary neoplasm. The most common type is a sarcoma followed by lymphoma , extragonadal germ cell tumor , and gastrointestinal stromal tumor/GIST . [ 9 ]
The periaortic lymph nodes (also known as lumbar) are a group of lymph nodes that lie in front of the lumbar vertebrae near the aorta. These lymph nodes receive drainage from the gastrointestinal tract and the abdominal organs. The periaortic lymph nodes are different from the paraaortic lymph nodes. The periaortic group is the general group ...
These processes begin forming the lymph sacs during the 5th week of fetal development. At this time, the jugular lymph sacs develop. [1] These are a pair of enlargements that function in collecting fluid from the lymphatics of the upper limbs, upper trunk, head, and neck. The lymph nodes eventually develop at the place of the jugular lymphatic ...
Testicular cancer metastasizes in a predictable pattern, and lymph nodes in the retroperitoneum are typically the first place it lands. [1] [2] By examining the removed lymphatic tissue, a pathologist can determine whether the disease has spread. If no malignant tissue is found, the cancer can be labeled Stage I, limited to the testicle. [3]
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Cystic lymphangiomas or lymph nodes with hypodense centers, which mimic necrotizing lymphomas, ovarian or renal cancers, or other malignancies can occur in the retroperitoneum, pelvis or mediastinum. [11] [12] [13] [14]
The ileocolic lymph nodes, from ten to twenty in number, form a chain around the ileocolic artery, but tend to subdivide into two groups, one near the duodenum and the other on the lower part of the trunk of the artery. Where the vessel divides into its terminal branches the chain is broken up into several groups: