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Lymphatic Complications in Patients Undergoing Melanoma Surgery in Peru
Gabriel De La Cruz Ku1, Jessica J Farzan2, Jiddu Antonio Guart2
1From the Universidad Cientifica del Sur, Lima, Peru.
Plastic and Reconstructive Surgery. Global Open
|January 12, 2026
Summary
Melanoma patients undergoing lymph node surgery face risks of lymphatic complications. Lymphatic invasion and positive lymph nodes are key risk factors, while upper extremity or trunk lesions offer protection.
Area of Science:
- Oncology
- Surgical Oncology
- Dermatology
Background:
- Sentinel lymph node biopsy and lymph node dissection are crucial for melanoma management.
- Postoperative lymphatic complications pose a significant challenge in melanoma treatment.
Purpose of the Study:
- To identify risk factors for postoperative lymphatic complications in Peruvian melanoma patients undergoing lymph node surgery.
Main Methods:
- Retrospective cohort study of 699 melanoma patients from 2010-2019.
- Analysis included descriptive statistics and logistic regression to determine predictors of complications.
Main Results:
- Lymphatic invasion (OR=2.601) and positive lymph node pathology (OR=2.066) were significant risk factors.
- Lesions on the upper extremity (OR=0.055) and trunk (OR=0.106) were associated with reduced complication risk.
Conclusions:
- Lower extremity involvement, lymphatic invasion, and positive lymph nodes increase complication risk.
- Understanding these factors aids in optimizing management and reducing postoperative complications.

