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Inguinofemoral lymphadenectomy technique in 10 steps
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  1. Ana Luzarraga Aznar1,
  2. Assumpció Pérez-Benavente2,
  3. Silvia Cabrera1,3,
  4. Vicente Bebia4,
  5. Antonio Gil-Moreno1 and
  6. Martina Aida Angeles5
  1. 1 Gynecologic Oncology, Vall d'Hebron University Hospital, Barcelona, Spain
  2. 2 Gynecologic Oncology Unit, Gynecology Department, Hospital Universitari Vall d’Hebron, Vall d’Hebron Barcelona Hospital Campus, Barcelona, Spain
  3. 3 Universitat Autònoma de Barcelona, Barcelona, Spain
  4. 4 Gynecologic Oncology, Hospital Vall d'Hebron, Barcelona, Spain
  5. 5 Department of Gynecological Oncology, Vall d'Hebron University Hospital, Barcelona, Spain
  1. Correspondence to Dr Ana Luzarraga Aznar, Gynecologic Oncology, Vall d'Hebron University Hospital, Barcelona, Catalunya, Spain; aluzarraga7{at}gmail.com

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Inguinofemoral lymphadenectomy is a commonly required surgical procedure in the management of vulvar cancer, particularly when the tumor size exceeds 4 cm, when there is multifocal invasive disease, or when there is clinical or radiological suspicion of inguinal lymph node involvement1.

We present a case of a patient in her mid 50s diagnosed with a 5 cm squamous cell vulvar carcinoma, located in the anterior third of the midline, and involving both the clitoris and the left labia minora. Lymph node involvement and distant metastasis were ruled out at imaging. Consequently, the patient underwent an anterior vulvectomy with bilateral inguinofemoral lymphadenectomy. This surgical video (Video 1) shows a left inguinofemoral lymphadenectomy in 10 steps. Moreover, we used a cadaveric dissection with a pedagogic intention to improve the understanding of the anatomy and the surgical technique.

Video 1 Inguinofemoral lymphadenectomy technique in 10 steps.

Performing the skin incision above the inguinal ligament allows for a direct access to the external oblique aponeurosis, helping to identify the boundaries of the superficial inguinofemoral lymphadenectomy.2 The branches of the saphenous vein (circumflex vein, external pudendal and epigastric vein) should be identified and sectioned distally during the superficial lymphadenectomy, as well as proximally at it exits from the saphenous vein (Figure 1). It is crucial to identify and preserve the saphenous vein to minimize the risk of lymphedema. During the deep lymphadenectomy, only the lymph nodes located medially to the femoral and saphenous veins need to be removed, and it is unnecessary to excise the nodes located beyond the first 3 cm of the saphenous vein.3 Moreover, the femoral artery and nerve should not be visualized as they remain covered by the femoral fascia. The use of a soft drainage or negative wound pression therapy is optional to decrease the risk of lymphocyst and to improve wound healing.

Figure 1

Surgical anatomy after a left inguinofemoral lymphadenectomy.

The post-operative course was uneventful, and the patient was discharged 4 days after the procedure. The pathology revealed a 5 cm tumor with free margins, and 22 lymph nodes were removed without involvement. The patient did not receive adjuvant treatment.

In conclusion, standardizing surgical techniques, including those that are commonly performed or apparently less complex, can improve the understanding and learning curve of training surgeons.

Data availability statement

All data relevant to the study are included in the article.

Ethics statements

Patient consent for publication

Ethics approval

This study involves human participants. The Ethics Committee declared that for the publication of a video article, with the informed consent of the patient already obtained, their approval was not required. Participants gave informed consent to participate in the study before taking part.

References

Footnotes

  • Twitter @lebeche, @AngelesFite

  • Contributors ALA performed the editing of the video and wrote the manuscript. MAA contributed to the editing of the video and corrected the manuscript. APB, SC, VB and AGM supervised the video editing and the manuscript. ALA is the guarantor.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests None declared.

  • Provenance and peer review Not commissioned; internally peer reviewed.