A 30-year-old man presents to his general practitioner concerned that a mole has changed shape and increased in size over the preceding month. It is itchy but has not changed color or bled. There is no relevant family history. The man is fit and well otherwise. Examination Several moles are present over the neck and trunk. All appear benign, except the one the man is concerned about. This is located on the left-hand side of his trunk and is black, measuring 1 cm × 1.5 cm.
The lesion is non-tender with a slightly irregular surface. There is a surrounding pink halo around the lesion. The local lymph nodes are not enlarged. Abdominal, chest, and neurological examinations are normal. What is the most likely diagnosis and what treatment would you recommend? *This case is from the Editorial team of Docplexus and is meant for educative purposes only. Source: 100 Cases in Surgery