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Skin-melanocytic tumor
Nevi
Dysplastic nevus

Reviewer: Christopher Hale, M.D. (see Reviewers page)
Revised: 9 April 2014, last major update November 2012
Copyright: (c) 2002-2013, PathologyOutlines.com, Inc.

General
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Terminology
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Epidemiology
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Clinical features
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Case reports
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Treatment
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Dermoscopic description
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Dermoscopic images
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Dysplastic pointillist nevi with
multiple brown dots on an
erythematous background

"Diffuse and patchy" network pattern
Clinical images
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Agminated atypical nevi

Multiple melanocytic nevi (anterior chest and abdomen),
large nevus (right side of chest near midline)

Agminated atypical nevi on right arm

Development of a clinically dysplastic nevus

Minimal change in a clinically dysplastic nevus

Evolving and regressing clinical dysplastic nevus

Various images
Micro description
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Micro images
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Mild atypia

Moderate atypia

Severe atypia

Lentiginous melanocytic proliferation
with papillary dermal fibrosis

Pointillist dysplastic nevus
with cytologic atypia

Dysplastic nevus

Contributed by: Dr. Asmaa Gaber Abdou

S100A6 staining (negative)

Strong BRMS1 (A); weak Cul1 (B)
Contributed by Angel Fernandez-Flores, MD, PhD, Hospital El Bierzo and Clinica Ponferrada, Spain:

Clark's nevus
Positive stains
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Molecular description
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Electron microscopy description
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Differential diagnosis
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End of Skin-melanocytic tumor > Nevi > Dysplastic nevus


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