Inguinal and Pelvic Lymphadenectomy

  • Jameson L. Chassin


Groin lymphadenectomy is comprised of two separate lymph node groups: inguinal and pelvic. The inguinal nodes are located in the femoral triangle, based on the inguinal ligament with its apex formed by the crossing of the adductor longus and the sartorius muscles. The pelvic component of the dissection includes the lymph nodes in a triangular area whose apex is formed by the bifurcation of the common iliac artery and whose base is essentially the fascia over the obturator foramen. If the inguinal lymphadenectomy specimen is negative for metastases from the primary malignant melanoma or epidermoid carcinoma of the skin of the extremities or lower trunk, performing the pelvic dissection is probably unnecessary because the incidence of positive nodes will then be less than 5% (Holmes et al.).


Skin Flap Inguinal Ligament Sartorius Muscle Obturator Foramen Internal Oblique Muscle 
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  1. Holmes EC, Mosely S, Morton D et al. A rational approach to the surgical management of melanoma. Ann Surg 1977;186:481.PubMedCrossRefGoogle Scholar

Copyright information

© Springer Science+Business Media New York 1994

Authors and Affiliations

  • Jameson L. Chassin
    • 1
    • 2
  1. 1.Clinical SurgeryNew York University School of MedicineNew YorkUSA
  2. 2.Department of SurgeryNew York Hospital Medical Center of QueensFlushingUSA

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