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[Risk factors for lymph node metastasis in malignant melanoma]
T Mussack1, H Waldner, A Kharraz-Tavakol
1Chirurgische Klinik und Poliklinik, Klinikum Innenstadt der Ludwig-Maximilians-Universität München.
Zentralblatt Fur Chirurgie
|January 1, 1996
Summary
Nodular melanoma and trunk melanomas show higher metastasis rates. Elective lymph node dissection is indicated for advanced nodular melanomas or trunk melanomas with specific staging.
Area of Science:
- Oncology
- Dermatology
- Surgical Pathology
Context:
- Malignant melanoma management involves assessing lymph node status.
- Lymph node dissection, both elective and therapeutic, is a key treatment modality.
- Understanding prognostic factors aids in treatment decisions for melanoma patients.
Purpose:
- To identify significant prognostic factors influencing lymph node metastasis in malignant melanoma.
- To evaluate the incidence of lymph node metastasis based on melanoma subtype, tumor stage, and location.
- To determine indications for elective lymph node dissection.
Summary:
- A review of 388 malignant melanoma patients (stages I-II) revealed a 64.3% rate of lymph node metastasis.
- Nodular melanoma (75.6%) and trunk melanomas exhibited the highest propensity for metastasis.
- Tumor stage significantly correlated with metastasis, increasing from pT1 (38.5%) to pT4 (78.1%).
Impact:
- Identifies specific melanoma subtypes and stages requiring closer monitoring for lymph node involvement.
- Supports the use of elective lymph node dissection for high-risk patients, including those with nodular melanoma (pT3-pT4) or trunk melanomas.
- Contributes to personalized treatment strategies in malignant melanoma management.