3: Dermatology- Birth Marks Flashcards
What is a capillary hemangioma also known as
Strawberry Naevus
Stork bite
Salmon patch
What is a capillary hemaningioma
Angioplastic proliferation
What are 3 risk factors for capillary hemangioma
- Female
- Pre-Term
- Mother underwent chorionic villus sampling
Are capillary hemangiomas present at birth
Not present at birth.
Present 1-month after birth
Describe time-frame capillary hemangiomas present
Present 1 month after birth. Increase in size for 4-9 months, before regressing
How do capillary hemangiomas present clinically
Raised multi-lobules erythematous lesion
Describe prognosis of capillary hemangiomas
Increases in size for 6-9 months. Then regresses
When are capillary hemangiomas treated
If obscuring visual fields or in the lung
What is first-line to treat capillary hemangiomas
Propanolol
If in the lung, what can capillary hemangiomas cause
Airway obstruction
What are port-wine stains also called
Naevus Flammus
What is naveus flammus
Developmental defect of dermal capillaries
Describe time-frame of naevus flammus
Present at birth, darkens and worsens over-time
Describe clinical presentation of naveus flammus
Unilateral red macule over face, scalp
What is used to treat naevus flammus
Laser therapy
What is port-wine stains on eyelid associated with
Glaucoma
What is congenital melanocytic naves
Failure melanocyte migration
When are congenital melanocyte naevus present
From birth or soon-after
Describe clinical presentation of congenital melanocytic naevus
> 1cm diameter brown papule - associated with a hair
How are congenital melanocytic naevus managed
Surgical excision
What is a mongolian spot
grey-blue discolouration of lumbro-sacral region
What ethnicity are mongolian spots more common in
Asian
African
how do mongolian spots present clinically
Grey-Blue discoloured lesion of lumbo-sarcal region
why should all mongolian spots be documented
Can resemble bruises NAI
when do mongolian spots usually disappear
5-years
What is erythema toxicum neonatorum also known as
Neonatal urticaria
What % of infants have erythema toxicum neonatorum
50
What is a risk factor for erythema toxicum neonatorum
Late delivery
How does erythema toxicum neonatorum present clinically
Erythematous macula-papular rash. Lesions typically have a white-centre
Where does erythema toxicum neonatorum present
Face
Knees
Elbows
Trunk
What time frame does erythema toxicum neonatorum occur
Usually resolves by 10d
What is milia
Keratin and sebaceous material occluding follicles of the epidermis
Where does milia usually occur
Keratin-filled cysts usually of the face
How is milia managed
Abrasive sponge
What is millaria also known as
Prickly heat
What is millaria
Occlusion eccrine sweat glands
How does milliaria present clinically
Erythematous papules that occur when the infant is placed in a warm environment
How is millaria managed
Cool baby
