Melanoma tumors thicker than 0.8 mm increase risk for death

Source: Healio, January 2025

Key takeaways:
• The crude incidence rate of melanoma-related death 20 years after diagnosis was 6% for those with tumors thinner than 0.8 mm.

• The rate increased to 12% among those with tumors 0.8 mm to 1 mm in thickness.
The risk for melanoma-related death increased among patients with T1 melanoma tumors thicker than 0.8 mm, according to a study.

According to the American Joint Committee on Cancer (AJCC) 8th Edition Cancer Staging Manual, thin melanomas, characterized as less than 1 mm in Breslow thickness, are the largest group of all melanomas classified by tumor thickness as T1a or T1b.
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