Nodular melanomas

It is important to be alert to the features that make nodular melanomas recognisable so their progression can be interrupted at first presentation.

While previously published diagnostic algorithms may not identify nodular melanomas, the Chaos and Clues algorithm includes several clues which are likely to lead to their recognition and subsequent biopsy (Figure 1).

Figure 1. ‘Chaos and Clues’ algorithm for pigmented skin lesions.