II. Pathophysiology
- Congenital malformation of the pilosebaceous follicular unit
III. Epidemiology
- Incidence: 0.3% of newborns
IV. Signs
- Yellow, smooth, single, well-circumscribed hairless Plaque
- Typically identified in newborns
- Distribution
- Typically on the scalp
- May also occur on the face and neck
V. Course
- Lesions may become verrucous and more prominent as child enters teen years
- Associated risk of cutaneous carcinoma: 10-15%
- May be associated with epidermal nevus syndrome
VI. Management
- Excision near Puberty
VII. Reference
- Habif (2003) Clinical Dermatology, 4th ed.. Mosby, p. 773-813
- Mitchell (2023) Am Fam Physician 108(3): 301-2 [PubMed]