|Description||This chapter describes dermoscopyDermoscopy is a non invasive diagnostic method. of sebaceous hyperplasiaThis glossary term has not yet been described.|
|Author(s)||Ignacio Gómez Martín · Pedro Zaballos|
|Owner||Pedro Zaballos → send e-mail|
|Status update||July 13, 2017|
|Status by||Ralph P. Braun|
Common benignThis glossary term has not yet been described. condition typically observed as single or multiple yellowish, soft, small papules commonly occurring on forehead, cheeks and nose of middle aged adults or elderly people.
DermoscopyDermoscopy is a non invasive diagnostic method. criteriaThis glossary term has not yet been described.:
- Aggregated white-yellowish globules or structures (cumulus sign) surrounded by crown vesselsRadial serpentine or arborizing vessels at the periphery of the lesion that radiate towards the center but do not cross the midline od the lesion. sebaceous hyperplasia (Groups of bending, scarcely branching blood vesselsThis glossary term has not yet been described. that extend towards the center without crossing it)  Figures 1 & 2.
- Other vascular structuresThis glossary term has not yet been described. which can be seen in sebaceous hyperplasias are arborizing telangiectasias . Figure 3.
- Bonbon toffee sign: Association of a central umbilication or small crater surrounded by white-yellowish globules or structures . Figure 4.
- Occasionally, milia-like cystsThis glossary term has not yet been described. may be present.
- Bryden et al.: Dermatoscopic features of benign sebaceous proliferation. Clin. Exp. Dermatol. 2004;29:676-7. PMID: 15550152. DOI.
- Zaballos et al.: Dermoscopy of sebaceous hyperplasia. Arch Dermatol 2005;141:808. PMID: 15967945. DOI.
- Argenziano et al.: Vascular structures in skin tumors: a dermoscopy study. Arch Dermatol 2004;140:1485-9. PMID: 15611426. DOI.
- 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.