Warts are one of the most common skin diseases, during school age. Itis seen in 10% of
the general population. Both medical and surgical modalities are recommended for
Treatment as is cryotherapy. In this method liquid nitrogen is used as cryogen. The main
device which is used is a spray gun or cotton wool buds, through which either liquid
nitrogen is sprayed from a short distance or cotton wool buds are rubbed on the lesion;
In this article we are considernig the effectiveness of cryotherapy in the treatment of
different types of warts. The study was descriptive. At first we prepare a questionnaire
which includes the information such as personal status, Location of lesion, number of
sessions, and number of cycles in each session treatment: The questionnaires were
completed by a dermatologist. Among the patients from our clinic 200 were selected
according to clinical diagnosis, kind of wart and the tendency of the Patients who had
not continued the session for any reasons, were omitted from this study- After
completion of all questionnaires we coded the information and, imalyzed them with
SPSS program. The results of the treatment are as follows: 16.5% of the patients.were
cured completly after the first session. 52.5 % after the second, 20.5% after the third,
5.5% after the fourth, 4% after the fifth and 1% after the sixth session. According to the
above survey most patients 52.5% were cured after the second session and the rest
needed futher treatment.