Hue is a 56-year-old executive of Chinese descent who presents with an enlarging lesion on his heel.

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<p>Hue is a 56-year-old executive of Chinese descent who presents with an enlarging lesion on his heel.</p><p>He first noticed a small, pink, raised, itchy nodule three months ago, and self-treated with home administered cryotherapy.</p><p>When the lesion kept enlarging, he tried some topical antibiotics left over from his child’s recent impetigo.</p><p>That was three weeks ago, and the lesion continues to enlarge and become more uncomfortable. Hue is otherwise well with no history of note.</p><p>On examination, the lesion (pictured) is a 20mm hard nodule with central and peripheral ulceration.</p><p>Dermatoscopically it demonstrates asymmetrical variegated pigmentation from white to blue-grey. There is no lymphadenopathy.</p>

Dr Kate Kelso is a GP and medical editor at Australian Doctor.