13.    Look at the two pictures below.

                                A                                                B

a)        Name the two conditions.

            A: Nevus flammeus. B: Strawberry nevus.

b)         What is the pathology? 

            Congenital malformation of superficial dermal vessels.  

c)         What will happen if they are left alone? 

            They will grow in size and remain for life, showing no tendency towards involution.

d)         What complications can arise?

            1.    Pyogenic granuloma with bleeding.

             2.    Extensive vascular malformations with cosmetic defects.

e)         What neurological condition is it associated with?

              Struge-Weber syndrome.

f)          How can they be manage?

             Flashlamp-pumped pulsed dye laser excision.