Related Experiment Video
Updated: Jun 12, 2026

07:51
The Application of 1% Methylene Blue Dye As a Single Technique in Breast Cancer Sentinel Node Biopsy
Published on: June 1, 2019
[Sentinel lymph node biopsy in patients with melanoma].
L Tomás-Mallebrera1, R Rojo-España, A Marquina-Vila
1Hospital Universitario Dr. Peset, Valencia, España.
Actas Dermo-Sifiliograficas
|June 8, 2010
Summary
Sentinel lymph node biopsy is crucial for melanoma prognosis, identifying patients at higher risk of progression. Positive results correlate with advanced melanoma characteristics and increased mortality risk.
Area of Science:
- Oncology
- Dermatology
- Surgical Pathology
Context:
- Melanoma incidence is rising globally.
- Regional lymph node metastasis significantly impacts melanoma prognosis.
- Sentinel lymph node biopsy (SLNB) is a key technique for detecting subclinical metastases.
Purpose:
- To analyze differences between melanoma patients with positive versus negative SLNB results.
- To assess the prognostic impact of SLNB in melanoma management.
Summary:
- SLNB identified positive results in 19.44% of patients.
- Positive SLNB results were significantly associated with nodular melanoma, increased Breslow thickness (>2.0mm), Clark level IV, ulceration, advanced TNM stages (T3-T4), cancer stage changes, and melanoma-related death.
- These factors indicate a higher risk of disease progression.
Impact:
- SLNB is confirmed as a vital prognostic tool in melanoma.
- The technique aids in identifying high-risk patients requiring closer monitoring and potentially more aggressive treatment strategies.
- This facilitates personalized patient management and improves survival outcomes.
