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Contributor

Margaret Moresi, MD

Diagnosis

mastocytosis urticaria pigmentosa telangiectasia macularis eruptiva perstans

Body Site

back

Age

53 years

Pigmentation

light

Organization

Color

Morphology

plaqulous (plaque / nodule / tumor)

Pattern

Comments

Staining with Giemsa, toluidine blue or Leder stains would highlight the metachromatic granules of the mast cells.

Description

At higher magnification, mast cells are seen with uniform round to spindled nuclei and a finely granular cytoplasm in the vicinity of small blood vessels in the dermis.

Categories

genodermatosis/genetic disorder lumps & bumps (plaques, nodules, tumors)

Image Added

4/5/2001 11:50:34

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Other Resources

PubMed Medline Plus Medscape

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