What is the role of cryotherapy in the treatment of acne keloidalis nuchae (AKN)?

Updated: Nov 13, 2020
  • Author: Elizabeth K Satter, MD, MPH; Chief Editor: William D James, MD  more...
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Answer

Cryotherapy has also proven to be successful as monotherapy in some cases. [24] The area is frozen for 20 seconds, allowed to thaw, and is then frozen again 1 minute later. The process may be painful for patients, and the treated site often becomes hypopigmented because of destruction of the melanocytes and may remain so for up to 12-18 months.


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