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The Korean Journal of Pathology 1997;31(6): 566-573.
Clinicopathological Analysis on the 104 Cases of Malignant Melanoma.
Kye Yong Song, Kyeong Cheon Jung, Kwang Hyun Cho, Je Geun Chi, Eui Geun Ham
1Department of Pathology, College of Medicine, Chung-Ang University, Seoul, Korea.
2Department of Pathology, Seoul National University College of Medicine, Seoul, Korea.
3Department of Dermatology, Seoul National University College of Medicine, Seoul, Korea.
ABSTRACT
The cliniopathological analysis was done on the 104 cases of malignant melanoma diagnosed at the Seoul National University Hospital (SNUH) from 1984 to 1993. The basic clinical data and the pathological items were based on the New Mexico Melanoma Registry Worksheet. The results were as follows. The male to female ratio was 1 : 0.79. Primary cutaneous melanoma was more common in the male (M : F=1 : 0.56) but primary extracutaneous melanoma with slight female dominancy (M : F=1 : 1.25). The peak age was the 6th decade in both cutaneous and extracutaneous malignant melanoma. In 66% (35 cases) of primary cutaneous malignant melanoma, the primary site was located in the acral area (including cases of acral lentiginous and nodular type), of which 63% (41% of total cutaneous melanoma) was acral lentiginous type. Major components of tumor cells were epithelioid. Clark's level of tumor was III or more at the time of the first visit in the majority of the cases (85%). The incidence rate of extracutaneous melanoma was 34.6% (36 cases) among the primary melanoma, and the eyeball (17.3%) was the most prevalent organ. All these features suggest that the racial difference between the Korean and the Caucasian is evident and also that etiologic role of sun damage is not quite marked in the Korean. We also suggest that an early detection program is very important to cure this malignant tumor.
Key Words: Malignant melanoma; Korean; Clinicopathological analysis