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Hyalinizing Spitz nevus
1Department of Dermatology, Asan Medical Center, College of Medicine, University of Ulsan, Seoul, Korea.
The Journal of Dermatology
|May 29, 2000
Abstract:
A seventeen-year-old Korean girl had a reddish-brown papular lesion on the nose. Histopathologically, it proved to be a "hyalinizing Spitz nevus" with the characteristic features of a discohesive growth pattern of nevus cells and hyalinized stroma. Immunohistochemical stains showed positive reactivity of nevus cells with S-100 protein and Vimentin and negative stainings with HMB45, CD68, CEA and low molecular weight cytokeratin. Hyalinizing Spitz nevus may represent a variant in the spectrum of Spitz nevus.