Basal cell carcinoma


Basal cell carcinoma

The most common form of skin cancer

Slow growing

Locally invasive

Risk factors

  • Prevalent in elderly males.
  • Previous BCC or other form of skin cancer (squamous cell carcinoma, melanoma)
  • Sun damage
  • Repeated episodes of sunburn
  • Fair skin, blue eyes and blond or red hair
  • Previous cutaneous injury, eg thermal burn,
  • Immunosupression
  •  Ionising radiation


Superficial BCC

Nodular BCC

Basosquamous BCC

Morphoeic BCC

Clinical features

Slowly growing plaque or nodule which may ulcerate and bleed

Varies in size from a few millimeters to several centimeters in diameter


Clinical diagnosis



Depends on its type, size, and location, the number to be treated

Most BCCs are treated surgically.

Excision biopsy

Normally done with 3-5 mm clear margin

Most appropriate treatment for nodular, infiltrative BCC

Very large lesions may require flap or skin graft

Curettage, and electrocautery.


Photodynamic therapy

Imiquimod is an immune response modifier.

5-Fluorouracil cream is a topical cytotoxic agent.


Stay indoors in the middle of the day

Wear covering clothing/ Broad brim hats

Apply high protection factor SPF50+ broad-spectrum sunscreens

Avoid tanning





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