Deep inguinal lymph nodes
Citation, DOI, disclosures and article data
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View a b's current disclosuresAt the time the article was last revised Yoshi Yu had no financial relationships to ineligible companies to disclose.
View Yoshi Yu's current disclosures- Deep inguinal nodes
- Deep inguinal lymph nodal group
- Deep inguinal nodal group
The deep inguinal lymph nodes (often shortened to the deep inguinal nodes) form a subgroup of the inguinal lymph node group, and are located within the femoral canal (medial compartment of the femoral sheath), medial to the femoral vein. They receive afferent lymphatic drainage from the deep lymphatics of the distal lower extremity and perineum (e.g. glans penis/clitoris) and drain proximally into the external iliac lymph nodes via channels running with the femoral vein (the vein and lymphatics pass through the femoral septum, which is the soft tissue which seals off the femoral ring). The deep nodes also share common channels with the superficial inguinal lymph nodes.
The number of deep inguinal nodes is variable, and a range of 0-5 has been reported, i.e. on cadaveric dissection, some individuals seem to have no deep inguinal nodes at all 5.
History and etymology
The most proximal or highest node is known as the node of Cloquet, named after Jules Germain Cloquet (1790-1883), a French surgeon with an interest in hernial disorders. This node is located just inferior to the inguinal ligament, and may also be considered the most inferior external iliac chain node. Historically, the node of Cloquet was used as an indicator of pelvic metastasis in lower extremity melanoma, although there is evidence that its predictive value is limited 4.
References
- 1. Gray's anatomy. Elsevier. ISBN:0702052302. Read it at Google Books - Find it at Amazon
- 2. Gray's anatomy for students. Churchill Livingstone. ISBN:0702051314. Read it at Google Books - Find it at Amazon
- 3. Vishram Singh. Textbook of Anatomy Abdomen and Lower Limb;. (2014): 48. ISBN: 9788131236260
- 4. Chu, Carrie K., Zager, Jonathan S., Marzban, Suroosh S., Gimbel, Mark I., Murray, Douglas R., Hestley, Andrea C., Messina, Jane L., Sondak, Vernon K., Carlson, Grant W., Delman, Keith A.. Routine biopsy of cloquet's node is of limited value in sentinel node positive melanoma patients. (2010) Journal of Surgical Oncology. 102 (4): 315. doi:10.1002/jso.21635 - Pubmed
- 5. de Carvalho JP, Patrício BF, Medeiros J, Sampaio FJ, Favorito LA. Anatomic aspects of inguinal lymph nodes applied to lymphadenectomy in penile cancer. (2011) Advances in urology. 2011: 952532. doi:10.1155/2011/952532 - Pubmed
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