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Skin-melanocytic tumor
Melanoma
Desmoplastic melanoma
Reviewer: Christopher Hale, M.D. (see Reviewers page)
Revised: 5 June 2013, last major update May 2013
Copyright: (c) 2002-2013, PathologyOutlines.com, Inc.

General
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Terminology
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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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Treatment
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Clinical images
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2.5 cm scalp lesion

Dermoscopy
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Micro description
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Micro images
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Desmoplastic vs. non-desmoplastic melanoma

Hypocellular spindle cells

Mixed with classic melanoma

Atypical spindled cells


81 year old man with scalp lesion


Various images


Strong S100 staining

T311 (tyrosinase)


HMB-45 and Mart-1 negative

MITF positive

Cytology description
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Cytology images
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Various images

Positive stains
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Negative stains
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Molecular description
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Differential diagnosis
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End of Skin-melanocytic tumor > Melanoma > Desmoplastic melanoma


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