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Pigmentation
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Body Site
Age
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Morphology
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Contributor

Paolo Amerio, MD, PhD

Diagnosis

melanoma melanonychia

Body Site

nail, hand finger

Age

45 years

Pigmentation

medium

Organization

linear

Color

brown

Morphology

macular / flat (macule / patch)

Pattern

asymmetric solitary

Comments

A 40-year-old woman was evaluated for a linear hyperpigmented patch that appeared on the left thumb 18 months earlier. A biopsy showed a malignant melanoma.

Description

1 cm wide longitudonal linear patch on the thumb nail with some pigment migrating into the cuticle

Categories

neoplasm, malignant hyperpigmentation

Image Added

3/31/2003 17:03:56

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Other Resources

PubMed Medline Plus Medscape

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