Стадії локалізованої меланоми на основі товщини та утворення виразок

Stage

Thickness

Ulceration Status

0

Intraepithelial or in situ melanoma

Not applicable

IA

< 0.8 mm

Without ulceration

IB

< 0.8 mm

With ulceration

0.8–1.0 mm

With or without ulceration

IIA

> 1.0–2.0 mm

Without ulceration

IIB

> 1.0–2.0 mm

With ulceration

IIIA

> 2.0–4.0 mm

Without ulceration

IIIB

> 2.0–4.0 mm

With ulceration

IVA

> 4.0 mm

Without ulceration

IVB

> 4.0 mm

With ulceration

Data from Keung EZ, Gershenwald JE: The eighth edition American Joint Committee on Cancer (AJCC) melanoma staging system: implications for melanoma treatment and care. Expert Rev Anticancer Ther 18(8):775-784, 2018. doi: 10.1080/14737140.2018.1489246

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