Cryotherapy treatment is mainly used for:

the treatment of individual actinic keratoses lesions. Cryosurgery involves the process of spraying liquid nitrogen directly onto the AK lesions or applying it with cotton. Compressed nitrous oxide or carbon dioxide may also be used. 39, 40

The Pros to this treatment option 33,39

  • It is easy to perform by a qualified Doctor
  • It has a success rate of between 75 and 99%, but this is highly dependent on the correct technique being applied
  • It is most successful in the treatment of thin, well-defined lesion areas 39

The Con’s to this treatment option:

  • Use of liquid nitrogen to burn each visible lesion 39,40
  • Only targets visible lesions 39
  • Can only treat a few lesions at a time 33
  • Can lead to hyper- or hypopigmentation, scarring or infection 39,40
  • Can only treat a small area of skin 39,40

Potential adverse effects include: 33,39,40

  • Pain
  • Redness
  • Scarring
  • Hair loss
  • Hyper (referring to an increase in natural skin colour)– or hypopigmentation (which means there is a decrease in the natural skin colour)
  • Hyperkeratotic (a thickening of the outer layer of the skin) lesions are more resistant to cryosurgery