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Skin-melanocytic tumor
Melanoma
Nodular melanoma

Reviewer: Christopher Hale, M.D. (see Reviewers page)
Revised: 8 June 2013, last major update May 2013
Copyright: (c) 2002-2013, PathologyOutlines.com, Inc.

General
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Epidemiology
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Sites
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Clinical features
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Case reports
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Dermoscopy
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Dermoscopic images
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Atypical globular pattern (A)

Non-specific pattern (A)

Clinical images
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25 cm tumor

Various images


Micro description
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Micro images
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Hyperkeratosis without pagetoid spreading (C)

Noncoalescence atypical melanocytes (B)

Fig B and C


Poor differentiation

Ki-67 staining


Contributed by John Irlam, D.O., Department of Pathology, University of Toledo Medical Center:

Low power (4x)

Medium power (10x)


Medium power (20x)

High power (40x)


Molecular description
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Differential diagnosis
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End of Skin-melanocytic tumor > Melanoma > Nodular melanoma


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