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Skin-Melanocytic Tumors
Last major update: November 2008 - next update November 2009
Revised: 11 July 2009
Author: Nat Pernick, M.D., PathologyOutlines.com, Inc.
Copyright: (c) 2002-2009, PathologyOutlines.com, Inc.
Definition
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● Deep seated follicular structure with malignant melanocytes extending downward along follicular epithelium and permeating parts of follicle as well as adjacent dermis
● Rare; only one published report
Epidemiology
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● Often age 60+ years on head (nose, check neck), develops within 1-2 years
Treatment and prognosis
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● Excision, not shave biopsy (Am J Dermatopathol 2004;26:359)
Clinical description
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● Less than 0.5 cm; resembles comedo or pigmented cyst
Differential Diagnoses
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● Lentigo maligna
End of Skin-Melanocytic Tumors > Follicular melanoma
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