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KMID : 0363219940320040687
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Korean Journal of Dermatology
1994 Volume.32 No. 4 p.687 ~ p.690
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A Case of Trichoblastic Fibroma
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Abstract
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Tricholblastic fibroma is a rare benign tumor of hair germ with mixed epithelial-mesenchymal components.
A 64-year-old female presented with an asymptomatic, skin-colored, firm nodule on the left knee joint. Histopathologic examination showed multiple tumor islands and strands composed of basaloids cells embedded in a moderately cellular
fibroblastic
stroma and the formation of bud-like extension of tumor cell nest. The peripheral basaloid cells showed a palisading arrangement and small keratinous cysts were formed in tumor islands. (Kor J Dermatol 1994 ; 32(4) 687~690)
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