Cylindroma - DermAtlas - Dermatology Image Atlas

Contributor

Greg Hosler, MD, PhD

Diagnosis

cylindroma

Body Site

scalp

Age

81 years

Pigmentation

light

Organization

discrete

Color

red

Morphology

plaqulous (plaque / nodule / tumor)

Pattern

solitary

Comments

This is an extremely unusual lesion. In this 81-year-old man, there was a solitary lesion on his scalp. The clinician was concerned for a malignancy of some sort, carcinoma or sarcoma. Malignant transformation of cylindromas is rare, but when it occurs, is often in association with long-standing large lesions, i.e. 'turban tumors'. The cell of origin is controversial, either eccrine or apocrine lineage.

Description

Histologic sections of skin show a dense, basophilic, cellular lesion within the deep dermis. In this view, the cells form lobules, but are disorganized.

Image Added

1/20/2006 22:49:53

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