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June 2005

Dermoscopy of Sebaceous Hyperplasia

Author Affiliations
 

JAMES M.GRICHNIKMD, PhD

Arch Dermatol. 2005;141(6):808. doi:10.1001/archderm.141.6.808

The lesions are from the forehead of a 67-year-old woman (Figure 1), the left cheek of a 57-year-old man (Figure 2), and the right cheek of a 49-year-old man (Figure 3) (size bar, 3 mm). All 3 lesions reveal a similar pattern. Aggregated white or yellow nodules can be identified at the center of the lesion. These yellowish nodules correspond to hyperplastic sebaceous glands. Sometimes the ostium of the gland is visible as a small crater. The yellowish nodules are surrounded by groups of orderly winding, scarcely branching vessels. The vessels may extend toward the center but they never cross it. They are not arborizing. Their pattern can be described clearly by the term “crown vessels” and this vascular pattern is specific for hyperplastic sebaceous glands.

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