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Pigmentation
Color
Body Site
Age
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Morphology
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Contributor

Atif Qasim, MD

Diagnosis

porphyria cutanea tarda

Body Site

hand

Age

55 years

Pigmentation

light

Organization

Color

Morphology

vesiculobullous (blister, pustule)

Pattern

sun exposed areas

Comments

On the higher magnification festooning or protrusion of the dermal papillae into the blister cavity is noted. Immunohistochemical and electronmicroscopy reveal the cleavage plane through the lamina lucida in the dermal-epidermal junction.

Description

festooning or protrusion of the dermal papillae into the blister cavity

Categories

vesiculobullous eruptions Metabolic disorders genodermatosis/genetic disorder photosensitivity, photoexacerbated

Image Added

11/12/2001 21:40:19

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Other Resources

PubMed Medline Plus Medscape

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