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Skin-Melanocytic Tumors
Combined Nevus
Last major update: November 2008 - next update November 2009
Revised: 27 June 2009
Author: Nat Pernick, M.D., PathologyOutlines.com, Inc.
Copyright: (c) 2002-2009, PathologyOutlines.com, Inc.
Epidemiology
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● Uncommon; two different types of melanocytic proliferation in the same pigmented lesion
● Usually common blue nevus of penetrating type and acquired nevus (Pathology 2004;36:419)
● Rarely includes Spitz nevus, which are difficult to classify by dermoscopy (J Cutan Pathol 2004;31:600)
● Mean age 30 years, usually trunk, head and neck, upper extremity
Clinical description
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● Clinical diagnosis is often melanoma, particularly at dermoscopy (Dermatology 2007;214:174, Dermatol Surg 2006;32:1176)
Case reports
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● Common blue nevus and pigmented epithelioid melanocytoma (J Am Acad Dermatol 2008;58:1021)
● Compound nevus and spindle cell Spitz nevus (J Dermatol 2000;27:233)
● With melanoma in situ (Am J Dermatopathol 1991;13:169)
Dermoscopy images
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16 year old girl
Micro images
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Various images
Other images: Spitz nevus and common nevus #1; #2; #3; #4
Additional references
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End of Skin-Melanocytic Tumors > Combined Nevus
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