Skin Marks in Neonates

Question 1

What is erythema toxicum?

Answer 1

Maculo-papular rash
•	affects 30 – 70% of normal term neonates.
•	very rare in the pre-term. 
•	rash fades by end of 1st wk
•	no Rx is required.

Question 2

Who does erythema toxicum affect?

Answer 2

Affects 30 – 70% of normal term neonates.

Question 3

In who is erythema toxicum rare in?

Answer 3

Very rare in the pre-term.

Question 4

How does erythema toxicum resolve?

Answer 4

Rash fades by end of 1st wk

Question 5

Is treatment required for erythema toxicum?

Answer 5

No

Question 6

What are Mongolian blue spots?

Answer 6

Blue-grey pigmentations

Question 7

Where do Mongolian blue spots typically appear on the body?

Answer 7

Lower back + buttocks

Question 8

What are Mongolian blue spots due to?

Answer 8

Accumulation of melanocytes.
• very common : races with pigmented skin.
• less obvious as skin darkens.

Question 9

Who do Mongolian blue spots usually affect?

Answer 9

Races with pigmented skin.

Question 10

What happens to Mongolian blue spots as the skin darkens?

Answer 10

They become less obvious as skin darkens.

Question 11

What are some examples of capillary vascular malformations

Answer 11

Stork Marks (Naevus simplex)
Port wine stain (Naevus Falmmeus)

Question 12

What is another name for stork marks?

Answer 12

Naevus Simplex

Question 13

What are Stork marks?

Answer 13

Light colour capillary dilatation

Question 14

Where do stork marks typically appear?

Answer 14

• commonly at back of neck.

* Maybe along midline of face.

Question 15

How do stork marks resolve?

Answer 15

Gradually fade within the first 2 yrs.

Question 16

What is another name for port wine stains?

Answer 16

• Present at birth, flat or slightly raised.
• Caused by dilated, mature capillaries in the superficial dermis.
• These do not regress.
Associations:
• Sturge Weber
• Klippel-Trenaunay

Question 17

How do port wine stains appear?

Answer 17

Present at birth, flat or slightly raised.

Question 18

What are port wine stains caused by?

Answer 18

Caused by dilated, mature capillaries in the superficial dermis.

Question 19

What is the outcome of port wine stains?

Answer 19

They do not regress.

Question 20

What are port wine stains associated with?

Answer 20

• Sturge Weber

* Klippel-Trenauna

Question 21

What is an example of a capillary haemangioma?

Answer 21

Strawberry naevus

Question 22

What is a strawberry naevus?

Answer 22

A cluster of dilated capillaries which appears within the first month after birth.

Question 23

When does a strawberry naevus typically occur?

Answer 23

Within the first month after birth.

Question 24

How is a strawberry naevus described?

Answer 24

Raised and bright red, with discrete edges, occurring in any part of the body.
• Usually regresses after one year of age

Question 25

Where can a strawberry naevus occur?

Answer 25

On any part of the body.

Question 26

How long do strawberry naevus take to regress?

Answer 26

Usually regresses after one year of age