Korean J Dermatol.  2016 Jul;54(6):451-458.

A Clinical Investigation of Cutaneous Malignant Tumors in Western Gyeongnam Province over 11 Years

Affiliations
  • 1Department of Dermatology, Gyeongsang National University School of Medicine, Jinju, Korea. cykim@gnu.ac.kr
  • 2Gyeongsang Institute of Health Science, Jinju, Korea.

Abstract

BACKGROUND
The incidence rates of cutaneous malignant tumors in the Korean population are increasing. However, few clinical studies have been conducted on cutaneous malignant tumors in Gyeongnam Province.
OBJECTIVE
The purpose of this study was to evaluate the prevalence of cutaneous malignant tumors in Western Gyeongnam Province and to compare the results with previous reports of cutaneous malignant tumors.
METHODS
We retrospectively reviewed 46,277 outpatients who visited the Department of Dermatology from January 2005 to December 2015. Among them, 1,120 patients who underwent biopsy for skin tumors had tumors classified as cutaneous malignant tumors. We compared the histopathological diagnoses and analyzed the distribution of dermatologic diseases and clinical features, including age and sex.
RESULTS
The mean age of the patients was 70.0 years. The ratio of male to female patients was 1:1.85. Cutaneous malignant and premalignant tumors were found in 2.4% of all new patients. The most common disease was basal cell carcinoma (39.6%), followed by squamous cell carcinoma (31.5%), malignant lymphoma (6.3%), metastatic carcinoma (5.8%), keratoacanthoma (4.2%), malignant melanoma (4.1%), and extramammary Paget's disease (2.8%). The most common premalignant tumor was actinic keratosis (73.2%), followed by Bowen's disease (26.8%). The most common site of cutaneous malignant tumors and premalignant tumors was the face (75.3% and 80.8%, respectively).
CONCLUSION
This study provides useful data on the incidence and characteristics of cutaneous malignant tumors. The frequency of malignant tumors was higher than that found in previous studies.

Keyword

Cutaneous malignant tumors; Cutaneous premalignant tumors; Clinical analysis; Western Gyeongnam

MeSH Terms

Biopsy
Bowen's Disease
Carcinoma, Basal Cell
Carcinoma, Squamous Cell
Dermatology
Diagnosis
Female
Humans
Incidence
Keratoacanthoma
Keratosis, Actinic
Lymphoma
Male
Melanoma
Outpatients
Paget Disease, Extramammary
Prevalence
Retrospective Studies
Skin
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