Sebaceous hyperplasia in skin of color

From dermoscopedia
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 Author(s): Richard Usatine, Rachel Manci
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Description This chapter describes the dermoscopy criteria of sebaceous hyperplasia in skin of color
Author(s) Rachel Manci · Richard Usatine
Responsible author Richard Usatine→ send e-mail
Status unknown
Status update April 14, 2023
Status by Ralph P. Braun


Sebaceous hyperplasia

Sebaceous hyperplasia represents enlarged sebaceous glands principally found on the forehead, cheeks and nose in older adults. They can be found in persons of all skin colors and are typically 2 to 5 mm in diameter with a yellowish-white color and a light brown central opening. Due to some prominent vessels they may be mistaken for a basal cell carcinoma. Fortunately, dermoscopy almost always allows us to distinguish them from a BCC.

Dermoscopic features of sebaceous hyperplasia in all skin types include:[1]

  • White to yellowish-white globules that resemble popcorn in appearance. When the color is more yellow think of them as buttered popcorn (the butter is the sebum).
  • Crown vessels are fine branching vessels that are more prominent on the periphery and do not cross the midline.
  • Light brown central umbilication of the pilosebaceous unit. It has been described having the appearance of a round Bonbon caramel toffee.[2]


Links to additional chapters on Skin of Color

References

  1. Zaballos et al.: Dermoscopy of sebaceous hyperplasia. Arch Dermatol 2005;141:808. PMID: 15967945. DOI.
  2. Oztas et al.: Bonbon toffee sign: a new dermatoscopic feature for sebaceous hyperplasia. J Eur Acad Dermatol Venereol 2008;22:1200-2. PMID: 18540985. DOI.
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