Peer Reviewed
Perspectives on dermoscopy
Pigmented lesion on lip
Abstract
The diagnosis of pigmented lesions is a daily challenge in general practice. Dermoscopy can provide extra clues, but requires significant expertise.
Key Points
Case presentation
Over a one-year period, a 27-year-old man noted a slowly enlarging pigmented lesion (0.4 cm diameter) on his right lower lip. His lips and face had numerous freckles. Dermoscopy showed a partially asymmetrical, light tan coloured patch with an irregular brown to grey pigmented network that was indistinct at its edges. Lip biopsy showed an epidermis that had a broad and blunt pigmented epidermal rete ridge system. Melanocytes were present as single cells and in normal numbers. The underlying dermis contained focal melanin pigment.
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