Dermoscopic findings in a collision tumor composed of a dermatofibroma and a melanocytic nevus mimicking melanoma
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چکیده
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Dermoscopic findings in a collision tumor composed of a dermatofibroma and a melanocytic nevus mimicking melanoma
Collision tumors consist of two different neoplasms occurring concurrently in the same lesion. This association has been described for both benign and malignant neoplasms that may be difficult to identify. Therefore, dermoscopy is a valuable tool to make a correct diagnosis. We report a very unusual collision tumor composed of both a dermatofibroma and a melanocytic nevus mimicking melanoma.
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Fig 1. Desmoplastic trichoepithelioma and melanocytic nevus (collision tumor). Dermoscopy of the skin-colored papule on the right cheek (clinical detail) disclosed sharply focused, fine arborizing vessels (arrows), mostly at the periphery on a white-ivory background (black asterisk) in the upper half of the lesion and structureless light-brown (white asterisk) in the lower half. Few white clods...
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554 Ann Dermatol Received September 12, 2013, Revised March 31, 2014, Accepted for publication April 10, 2014 Corresponding author: Mi Woo Lee, Department of Dermatology, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-ro 43-gil, Songpa-gu, Seoul 138-736, Korea. Tel: 82-2-3010-3460, Fax: 82-2-486-7831, E-mail: [email protected] This is an Open Access article distribut...
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ژورنال
عنوان ژورنال: Dermatology Practical & Conceptual
سال: 2015
ISSN: 2160-9381
DOI: 10.5826/dpc.0504a12