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Published on: June 1, 2019
Predictive factors for false negative sentinel lymph node in melanoma patients
Vincenzo Panasiti1, Valeria Devirgiliis, Michela Curzio
1Department of Dermatology and Plastic Surgery, University of Rome Sapienza, Viale del Policlinico, Rome, Italy. ilcapo75@gmx.net
Summary
Sentinel lymph node biopsy (SLNB) aids melanoma staging. Ulceration is a key predictor of false-negative SLNB results, necessitating closer follow-up in such cases.
Area of Science:
- Dermatology
- Surgical Oncology
- Cancer Staging
Background:
- Sentinel lymph node biopsy (SLNB) is a valuable tool for staging melanoma.
- The literature reports instances of false-negative SLNB results.
- Accurate staging is crucial for effective melanoma patient management.
Purpose of the Study:
- To identify predictive factors for false-negative sentinel lymph node biopsy (SLNB) in melanoma patients.
- To improve the accuracy of melanoma staging through analysis of SLNB outcomes.
Main Methods:
- Retrospective analysis of 316 melanoma patients.
- Data collected from patients who underwent SLNB and follow-up.
- Study period: March 1994 to June 2008.
Main Results:
- SLNB was positive in 11.07% and negative in 88.93% of patients.
- False-negative SLNB occurred in 4.74% of patients (15/316).
- Ulceration was identified as the primary predictive factor for false-negative SLNB (p=.0420).
Conclusions:
- SLNB is a reliable technique for melanoma staging.
- Patients with negative SLNB and ulceration require closer follow-up.
- Identifying predictive factors enhances the utility of SLNB in melanoma management.
