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

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Affiliated Author(s)
김성애류영욱
Alternative Author(s)
Ryoo, Young WookKim, Sung Ae
Journal Title
대한피부과학회 학술발표대회집
Issued Date
2018
Keyword
Blue nevusCongenital systemic dermal melanocytosisMalignant melanoma
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.
Department
Dept. of Dermatology (피부과학)
Publisher
School of Medicine (의과대학)
Citation
Won-oh Kim et al. (2018). A case of incidentally found metastatic malignant melanoma with unknown primary site in congenital systemic dermal melanocytosis patient. 대한피부과학회 학술발표대회집, 70(1), 481–481.
Type
Article
URI
https://kumel.medlib.dsmc.or.kr/handle/2015.oak/41029
Appears in Collections:
1. School of Medicine (의과대학) > Dept. of Dermatology (피부과학)
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