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There exist different treatments to remove a seborrheic keratosis, such as cryotherapy and curettage {2,3}. I wonder what the difference in cosmesis of the treatment of a seborrheic keratosis between cryotherapy and curettage is.

I have only found one study {1}:

There are, however, statistically significant differences between the 2 techniques in blinded physician ratings at both time points. More redness at 6 weeks and tendency for hypopigmented scar formation at greater than 12 months occurred with curettage. Leftover SK lesion occurred more frequently with cryotherapy in the short and long term.

However, the study dates back from 2013 and the sample size is only 25, and interestingly the patients, unlike the physicians, didn't see any difference in cosmesis:

There are no statistically significant differences in subject ratings for cosmesis at either time point.

Are there more recent and larger studies comparing the difference in cosmesis of the treatment of a seborrheic keratosis between cryotherapy and curettage?


References:

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