Adnexal masses

Keratoacanthoma

• Rapidly growing but spontaneously resolving tumour of the epidermis

• Can mimic an SCC

• Nodule that grows over only a few weeks

  • Elevated, “heaped” shoulder
  • Central ulcer/crater
  • Typically resolves within 2-3 months but can leave a scar

• Histologically

  • Central mass…