- First appear at puberty; additional lesions can develop later.
- Skin-coloured or yellowish, small, asymptomatic dermal papules that may appear translucent or cystic.
- Less than 3mm in diameter.
- Multiple in symmetrical clusters.
- Commonly seen on upper cheeks and lower eyelids.
- Eruptive syringomas appear as multiple lesions on the chest or lower abdomen.
- Common in Asian or dark-skinned patients.
- Excision, electrodessication and curettage, dermabrasion or resurfacing with a CO2 laser.
- Can recur.
- Asymptomatic, keratin-filled cysts.
- Equal prevalence for primary and secondary milia.
- Superficial, pearly white, 1–2mm in diameter.
- Primary milia in newborns are common and occur on the face, nose and palate.
- Primary milia in older children and adults develop on the face around the eyes.
- Secondary milia are observed in some blistering disorders and following dermabrasion.
- Incision or cautery if patients request it.
Contributed by Dr Vasa Gnanapragasam, a GP in Sutton, Surrey