ABCD system

References

ABCD system

medicine

Written by

The Information Architects of Encyclopaedia Britannica

Learn about this topic in these articles:

melanoma
Causes and symptoms
…self-assessment of moles, using the ABCD system. ABCD stands for asymmetry, border, colour, and diameter. Moles that are asymmetrical, have irregular borders (edges) or colour, or are greater than 5–6 mm (about 1/4 inch) in diameter are suspect. Any mole that changes in size, shape, or colour should be…
Read More
…self-assessment of moles, using the ABCD system. ABCD stands for asymmetry, border, colour, and diameter. Moles that are asymmetrical, have irregular borders (edges) or colour, or are greater than 5–6 mm (about 1/4 inch) in diameter are suspect. Any mole that changes in size, shape, or colour should be…
Read More