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KMID : 0032220180300050602
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Annals of Dermatology
2018 Volume.30 No. 5 p.602 ~ p.605
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Collision Tumor Associated with Sarcomatoid Eccrine Porocarcinoma and Basal Cell Carcinoma
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An Hyo-Jung
Seol Jung-Eun
Yun Ji-Young
Kang Dong-Woo
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Abstract
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A ‘collision’ tumor refers to the existence of two different neoplasms within the same tumor. Sometimes, the term ‘biphasic tumor’ is also used. However, a ‘collision’ tumor is defined as the occurrence of two neoplasms within proximity of each other yet maintaining distinctly defined, separate boundaries. In contrast, a ‘biphasic’ tumor demonstrates two or more phenotypically distinct neoplastic cell populations merging within the same space. Here, we report a case of collision tumor associated with sarcomatoid eccrine porocarcinoma and basal cell carcinoma arising in a 57-year-old male patient.
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KEYWORD
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Basal cell carcinoma, Eccrine porocarcinoma
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