What is the role of lymph node biopsy in the diagnosis of lentigo maligna melanoma?

Updated: Dec 19, 2019
  • Author: Winston W Tan, MD, FACP; Chief Editor: William D James, MD  more...
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Answer

Answer

Sentinel lymph node biopsy is done to assess regional lymph node involvement and to decide on adjuvant therapy. This technique is indicated in all melanoma patients except those with stage 0 or stage 1A disease, that is, patients with a lesion thinner than 1 mm (see Staging).

If metastasis is present, a full nodal dissection is done to fully stage the disease.


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