1. Normal Dermatologic Findings

3. Erythema Toxicum Neonatorum
Benign, self-limiting, asymptomatic disorder of unknown etiology
Occurs in up to 50% of infants
Presents at hours of life
Smear of pustule reveals eosinophils

5. Pustular melanosis Self-limiting dermatosis of unknown etiology
Usually presents at birth
Disappears in hours leaving pigmented macules with a collarette of scale
Hyperpigmentation fades in 3 weeks to 3 months

7. Mongolian Spot
Flat, slate-gray to bluish-black poorly circumscribed macules
Most commonly located over the lumbosacral area and buttocks
Common in black infants and hispanic infants
Usually fade by 7 years of age

9. Cutis Marmorata Transient, netlike mottling
Caused by variable vascular constriction and dilation
Response to chilling, resolves with warming
Benign in neonates but if persists past 6 months, could be sign of congenital hypothyroidism

11. Hemangiomas Congenital vascular malformation
Occur in 10-40% of all newborns
Presents in first few months of life
Marked vascular overgrowth resulting in bright red discoloration and definite elevation
Rapid growth the first year
50% involute by age, 90% by age 9

13. Salmon Patch (Stork bite)
Vascular malformation
Seen in 40% of infants
Fades in first year of life
Usually located nape of neck, forehead and upper eyelids

15. Port wine stain
Purplish-red color vascular malformation present at birth
Lesions do not enlarge but remain flat
When port wine stain involves ophthalmic branch of the fifth cranial (trigeminal) nerve, it can be associated be a constellation termed Sturge-Weber syndrome.
Sturge-Weber syndrome involving seizures, mental retardation, hemiplegia and glaucoma

17. Herpes Simplex Virus
Usually HSV 2 in infants