Abstract
Purpose
In 95% of cases, penile cancer is a squamous cell carcinoma whose specificity is lymphatic spread with the inguinal lymph nodes as the first relay route. Inguinal lymph node dissection is a primordial part of the treatment. The objective was to assess the oncological results of inguinal lymph node dissection in penile cancer at our centre.
Methods
We retrospectively included all patients having undergone inguinal lymph node dissection at our centre between 1 January 2004 and 1 January 2020 for the treatment of penile cancer. Patients for whom lymphadenopathy was palliative were excluded. Depending on indications, the procedures consisted in either dynamic sentinel node biopsy, modified lymphadenectomy or radical lymphadenectomy. All cancers were reclassified using the 2016 TNM classification system. Survival was analysed according to the Kaplan–Meier method.
Results
242 inguinal lymph node dissections were performed in 122 patients. There were 71 pN0 (58%), 9 pN1 (7%), 4 pN2 (3%) and 38 pN3 (31%). Mean follow-up was 51 ± 45 months. The 3-year recurrence-free survival rate was 76% in pN0 patients and 17% in pN3 patients. The 5-year specific and overall survival rates were, respectively, 82% and 73% for pN0 stages, and 14% and 17% for pN3 stages. Extracapsular extension on an inguinal lymphadenopathy appeared as a highly negative prognostic factor.
Conclusion
Inguinal lymph node dissection is essential in the treatment of penile cancer. Recurrence-free, specific and overall survival are closely linked to the lymph node stage. Extracapsular extension and pelvic lymph node invasion are highly negative prognostic factors.
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Availability of data (data transparency)
Data are available from the corresponding author on request.
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AJ-J: Project development, Data collection, Data analysis, Manuscript writing. OB: Data collection. SV: Data collection. JB: Data collection. MAP-V: Data collection. JR: Project development, Data collection, Data analysis, Manuscript writing.
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This study was performed in line with the principles of the Declaration of Helsinki. Approval was granted by the Local Ethics Committee (Groupe Nantais d’Ethique dans le Domaine de la Santé, 2021).
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Jeanne-Julien, A., Bouchot, O., De Vergie, S. et al. Long-term oncological results in penile cancer treated by inguinal lymphadenectomy. World J Urol 41, 1589–1595 (2023). https://doi.org/10.1007/s00345-023-04390-3
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DOI: https://doi.org/10.1007/s00345-023-04390-3