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Contributor

Greg Hosler, MD, PhD

Diagnosis

nevus, balloon cell nevus, halo

Body Site

trunk

Age

22 years

Pigmentation

light

Organization

discrete

Color

brown

Morphology

papule

Pattern

solitary

Comments

This young female presented with a clinical halo nevus. Balloon cell nevi, rarely, may show the clinical halo phenomenon. This appears without or may precede the histologic finding of brisk inflammation.

Description

A nevomelanocytic lesion is present within the dermis. There is a component of normal pink, nested nevus cells. A significant portion of the lesion consists of enlarged cells with clear cytoplasm and crenated nuclei. Neither cytologic atypia nor mitoses are identified.

Categories

lumps & bumps (plaques, nodules, tumors)

Image Added

8/28/2006 22:10:23

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Other Resources

PubMed Medline Plus Medscape

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