Melanoma diagnosis system based on the ABCD criteria (American Cancer Society, proposed melanoma clinical diagnostic system).

A (Asymmetry) – pigmental tumor asymmetry

B (Border) – pigmented tumor contour irregularities.

C (Color) – variety of pigmented tumor colors (black, brown, purple ….).

D (Diameter) – pigmented tumor diameter> 6 mm.

If you notice the changes listed, immediately contact the GK clinic to arrange  a doctor’s consultation

If you have any questions, please contact our GK Clinic by phone at (5) 255 33 53 and arrange a private consultation.


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