Macular pink-red capillary dilations, often bilateral, fades over time

Forehead, upper eyelid, nape of the neck (stork bite)

Dark purple or red, capillary malformation, generally does not fade, ophthalmology referral needed if near the eye

Nonspecific location

Sturge-Weber syndrome: over the trigeminal nerve (associated with seizures, glaucoma)

Klippel-Trénaunay-Weber syndrome: extremity

Benign vascular tumor, caused by increased growth of endothelial cells on blood vessels

Often benign and self-involutes, management depends on size and location

Nonspecific

Flesh-colored papules with erythematous base, contains eosinophils, resolves in first week

Diffuse (face and trunk)

Pustules without erythema, contain neutrophils, rupture and leave hyperpigmented macules that may persist for months

Diffuse (forehead, chin, neck, back)

White papules, consist of epidermal cysts with keratinous material, spontaneous rupture within first few weeks of life

Nose

Blue-gray macules, up to 10-cm diameter, more common in black, Native American, and Hispanic populations; usually fade by four years of age, but can be confused with abuse and should be documented

Common in sacral region

Light-brown macule, likely benign but may be an early sign of neurofibromatosis or McCune-Albright syndrome

Nonspecific

Reticular mottling of the skin caused by vascular response to cold, typically resolves with warmth

Usually localized to the lower limbs