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sebaceous hyperplasia
Epidemiology:
- common in the elderly,
- face, forehead & cheeks most common
Pathology:
- one or more greatly enlarged sebaceous glands with numerous lobules grouped around a central wide sebaceous duct
- some lobules fully mature, others show more than one row of generative (undifferentiated lacking lipid droplets) cells
* histpathology images [3]
Clinical manifestations:
1) papules 1-3 mm in diameter with telangiectasia & central umbilication
2) soft to palpation
3) with firm lateral compression, a small globule of sebum may be expressed from the umbilicated part of the lesion
* images [4]
Differential diagnosis:
- sebaceous adenoma
- nevus sebaceus
- rhinophyma
- basal cell carcinoma
Management:
- treatment not necessary
- electrocautery
Related
sebaceous gland
Specific
Fordyce spot (granule)
General
hyperplasia
sebaceous gland neoplasm
References
- Color Atlas & Synopsis of Clinical Dermatology, Common
& Serious Diseases, 3rd ed, Fitzpatrick et al, McGraw Hill, NY,
1997, pg 178
- Medical Knowledge Self Assessment Program (MKSAP) 15, 17
American College of Physicians, Philadelphia 2009, 2015
- Hogan DJ, James WD (histpathology images)
Medscape: Sebaceous Hyperplasia
http://emedicine.medscape.com/article/1059368-overview
- DermNet NZ. Sebaceous hyperplasia (images)
http://www.dermnetnz.org/acne/sebaceous-hyperplasia.html