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Contributor

Bernard Cohen, MD

Diagnosis

mastocytosis

Body Site

back

Age

7 months

Pigmentation

light

Organization

Color

Morphology

plaqulous (plaque / nodule / tumor)

Pattern

Comments

Rubbing of this papule on the back resulted in edema of the papule and a large surrounding wheal (Darier sign) typical of a solitary mastocytoma, He was healthy and gowing well without systemic symptoms. The presence of a Darier sign is diagnostic.

Description

1.0 cm edematous papule with surrounding wheal

Categories

neonatal dermatology lumps & bumps (plaques, nodules, tumors)

Image Added

2/3/2001 12:09:47

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Other Resources

PubMed Medline Plus Medscape

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