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KMID : 0363220150530100780
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Korean Journal of Dermatology
2015 Volume.53 No. 10 p.780 ~ p.787
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Clinical Observation of Cutaneous Malignant Tumors and Premalignant Lesions in North-western Gyeonggido Province over 8 Years (2005∼2012): A Single Center Stud
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Seo Ji-Young
Haw Sik
Park Hai-Jin
Kim Seong-Hyun
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Abstract
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Background: The incidence of cutaneous malignant tumors and premalignant lesions has continuously increased worldwide.
Objective: The purpose of this study was to analyze recent changes in the incidence and clinical characteristics of precancerous lesions and cutaneous malignant tumors in North-western Gyeonggido Province and to compare them with other previously reported data.
Methods: We reviewed 107 cases of premalignant lesions and 218 cases of cutaneous malignant tumors out of a total 38,926 new outpatients who had visited the Department of Dermatology at the Ilsan Paik Hospital from January 2005 to December 2012.
Results: The average annual incidence of premalignant lesions among the total number of new outpatients was 0.27% and that of cutaneous malignant tumors was 0.56%. The annual incidence of premalignant lesions increased by an average of 1.136 times per year, and that of cutaneous malignant tumors increased by an average of 1.038 times per year for 8 years. The most common premalignant lesion was actinic keratosis (74.77%). Among cutaneous malignant tumors, basal cell carcinoma (42.64%), squamous cell carcinoma (21.32%) and malignant melanoma (8.63%) were common. The mean age of onset was 74.04 years in precancerous lesions and 67.00 years in cutaneous malignant tumors. The most common site for cutaneous malignant tumors was the face (52.75%). The nose (29.57%) was the most preferential site on the face.
Conclusion: The incidence of premalignant lesions and cutaneous malignant tumors has continuously increased in North-western Gyeonggido Province. Over half of the cases of cutaneous malignancies involved the head and neck area in our studies. Dermatologists need to be aware of clinical presentations of cutaneous malignancies on the head and neck.
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KEYWORD
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Cutaneous malignant tumors, Statistical study
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