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KMID : 0363220110490070595
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Korean Journal of Dermatology
2011 Volume.49 No. 7 p.595 ~ p.600
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Analysis of Operative Time in Mohs Microscopic Surgery: Single Institution Experience
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Mun Je-Ho
Park Hyun-Je
Kim Su-Han
Jung Do-Sang
Ko Hyun-Chang
Kim Byung-Soo
Kim Hoon-Soo
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Abstract
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Background:Mohs micrographic surgery (MMS) is a precise method of treating skin cancer. There have been many studies about the advantages and disadvantages of MMS. However, no study has yet been carried out regarding the
length of surgery.
Objective:The purpose of this study was to report our experience with MMS for the treatment of skin cancers and
to analyze the operative time of MMS.
Methods:We analyzed 50 cases of skin cancers treated by MMS at the Dermatosurgery Clinic in Pusan National
University Hospital between April 2009 and November 2009.
Result:The minimum and maximum operative times of MMS were 88 and 356 minutes, respectively, and the
mean operative time was 171.4 minutes. The mean number of stages was 1.7 (range, 1∼4). The mean operative
time per stage was 93.9, 62.9, 57.2, and 53 minutes for the 1st, 2nd, 3rd, and 4th stages, respectively. The time
percentages for a pathologic consult to the Department of Pathology per stage was 42%, 50%, 52%, and 57% for
the 1st, 2nd, 3rd, and 4th stages, respectively; therefore, the consultation to the Department of Pathology occupied
a high percentage of the operative time. The mean operative time of repair for surgical defects was 44.4 minutes.
Limitations:The results of this study are based on the experience of a single surgical team in a single institution.
Conclusion: The results of our study reveal that MMS is a time-consuming operation. Further studies are required
to shorten the operation time of MMS.
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KEYWORD
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Mohs micrographic surgery, Operative time
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