<aside> 💡 Most common cancer

</aside>

slow-growing invasive epithelial tumour that arises from the basal layer of the epidermis.

Demographics: over 40yo, fair, male

Risk Factors:

• Previous BCC or other Skin Cancer
• previous sun damage/burns
• type 1 skin
• immunosuppressed
• males

features:

• Most (50%) on head and neck, 30% on upper trunk, 20% limbs.
• rarely mets
• Slow-growing over months or years
• can present as:
  • an erythematous scaly patch or plaque (superficial BCC)
  • a pearly papule (nodular BCC)
  • a crusted or haemorrhagic ulcer
  • an infiltrating scar-like plaque (infiltrative/morphoeic BCC).

Types

• Nodular: one of most common. often on face. slow growing. shiny, pearly rolled edge. red/transluscent papule or nodule. BVs (telangiectasia across surface). may have central depression or ulcer.