Dermatology · UKMLA & AKT
Skin tags (acrochordons)
A free high-yield preview for the UKMLA Applied Knowledge Test. Below are the key points to recognise skin tags (acrochordons) — the full SA Note notes add investigations, management, complications and 10 practice questions.
Key high-yield points
- Common benign fibroepithelial polyps - soft, pedunculated, flesh-coloured; arise from friction at flexural sites
- Strongly associated with insulin resistance, obesity, and metabolic syndrome (same mechanism as acanthosis nigricans - hyperinsulinaemia drives fibroblast/keratinocyte proliferation via IGF-1)
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