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Sentinel lymph node biopsy
Source: Melanoma Treatment (PDQ®)–Health Professional Version, National Cancer Institute.
Source updated: May 2, 2025 · Captured 2026-09-09.
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Context: Treatment of Stage IA Melanoma / Treatment Options for Stage IA Melanoma / Excision
Lymphatic mapping and SLNB for patients with high-risk, thin melanomas (≥0.8 mm) or ulcerated lesions measuring less than 0.8 mm may identify individuals with occult nodal disease. These procedures should be considered, particularly if other adverse prognostic features are present. Patients with clinically occult regional nodal metastases may benefit from ultrasound surveillance of regional lymph nodes and adjuvant therapy.[5-10]
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Preserved source evidence · Not medical advice