Benign epidermal tumour - also called basal cell papillomas

Aetiology

• Benign proliferation of epidermal keratinocytes
• Very common in ageing skin
• Eruptive appearance of many lesions may indicate internal malignancy - Leser-Trelat sign
  • Most commonly gastric or colorectal adenocarcinoma

Clinical features

• Very well demarcated, raised, usually brown coloured lesion
• Common on face and trunk
• Stuck on appearance - greasy hyperkeratotic surface
• Typical surface appearance - small cysts/depressions/warty

Management

• Reassurance, most need no treatment
• If patient would like removal - cryotherapy, curettage