A case of incidentally found metastatic malignant melanoma with unknown primary site in congenital systemic dermal melanocytosis patient

Authors
Won-oh KimJin-woong JungYoung-wook RyooSung-ae Kim
Department
Dept. of Dermatology (피부과학)
Issue Date
2018
Citation
대한피부과학회 학술발표대회집, Vol.70(1) : 481-481, 2018
Abstract
A 42-year-old man presented with numerous gray-bluish hyperpigmented macules and patches on face, trunk and both extremities since birth. He was diagnosed of malignant melanoma of liver at Gastro-intestinology department and referred to our Dermatology department for skin biopsy to find the primary skin lesion of melanoma. Skin biopsy was done on 5 most suspicious lesions, but the results were all consistent with blue nevus. Through endoscopy and colonoscopy, multiple dark-bluish hyperpigmented macules were also found on stomach, ileum and rectum. The patient was referred to Hemato-oncology department and planning for chemotherapy. Dermal melanocytosis is characterized by the presence of ectopic melanocytes in the dermis. There are several morphologic forms, such as the blue nevus, the mongolian spot, the nevus of Ota, and the nevus of Ito. We define this case as the congenital systemic dermal melanocytosis. Herein, we report a extremely rare case of congenital systemic dermal melanocytosis patient with incidentally found metastatic malignant melanoma with unknown primary site.
Keywords
Blue nevusCongenital systemic dermal melanocytosisMalignant melanoma
URI
http://kumel.medlib.dsmc.or.kr/handle/2015.oak/41029
Appears in Collections:
1. Journal Papers (연구논문) > 1. School of Medicine (의과대학) > Dept. of Dermatology (피부과학)
Keimyung Author(s)
김성애; 류영욱
Full Text
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