Korean J Dermatol.  2019 Jan;57(1):1-8. 10.0000/kjd.2019.57.1.1.

A Statistical Study of Cutaneous Malignant Tumors and Premalignant Lesions in Southeastern Gyeonggi-do Province over an 11-year Period (2006~2016)

Affiliations
  • 1Department of Dermatology, CHA Bundang Medical Center, CHA University, Seongnam, Korea. terios92@hanmail.net

Abstract

BACKGROUND
The incidence of cutaneous malignant tumors and premalignant lesions has recently increased worldwide. However, studies investigating the incidence and clinical manifestations of cutaneous malignant tumors and premalignant lesions in Korea are rare, especially in southeastern Gyeonggi-do Province.
OBJECTIVE
To analyze the recent trends in the incidence of cutaneous malignant tumors and premalignant lesions in southeastern Gyeonggi-do Province.
METHODS
We retrospectively reviewed 451 cases of cutaneous malignant tumors and 455 cases of premalignant lesions from 2006 to 2016.
RESULTS
The average annual incidence rates of cutaneous malignant tumors and premalignant lesions among the total number of outpatients was 0.84% and 0.85%, respectively, and both these rates increased significantly over time. Basal cell carcinoma was most commonly diagnosed cutaneous malignant tumor (50.8%), followed by squamous cell carcinoma (24.6%), malignant melanoma (8.2%), and metastatic carcinoma (5.1%). The most common premalignant lesion was actinic keratosis (60.0%). The mean age of the patients with cutaneous malignant tumors and premalignant lesions was 68.8 years and 70.8 years, respectively. The ratio of male to female patients was 1 : 1.19 for cutaneous malignant tumors and 1 : 2.01 for premalignant lesions. The face was the most common site for both cutaneous malignant tumors and premalignant lesions (at 71.9% and 75.8%, respectively).
CONCLUSION
This retrospective study provided data about the incidence and clinical patterns of cutaneous malignant tumors and premalignant lesions among patients in southeastern Gyeonggi-do Province.

Keyword

Cutaneous malignant tumors; Gyeonggi-do; Incidence; Premalignant lesions
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