The purpose of this study is to evaluate the decrease of post-operative morbidity in inguinal lymphadenectomies realised for vulvar tumors and inferior limb skin tumors by use of Ultracision with regard to classical operative techniques.

Inclusion Criteria:

• Vulvar neoplasm, inferior limb's skin malignant tumours, with an inguinal curage indication.
• Age ≥ 18 years
• Hematological functions : leucocytes > 1500/mm3, hemoglobin > 8 g/dl, blood platelets > 150000/mm3.
• Well informed written consent signed by the patient
• Negative pregnancy test for female patient of child-bearing potential.

Exclusion Criteria:

• Preliminary surgery of inguinal cavity (sentinel lymph node removal accepted)
• Massive lymph node invasion with femoro-vessels attack
• Inclusion in another study (excepted study turned to inguinal lymph node)
• Pregnant or nursing women
• Patient under guardianship or trusteeship