Rashes in pregnancy Flashcards
polymorphic eruption of pregnancy is also known as
puritic and uritcarial papules and plaques of pregnancy
when does polymorphic eruption of pregnancy present?
in the 3rd trimester
it is caused by the skin stretching
where is polymorphic eruption of pregnancy found?
he abdomen, particularly associated with the striae
true or false: polymorphic eruption of pregnancy tends to get better towards the end of pregnancy
rue; the skin is not being so stretched any more
3 types of lesions that may be seen in polymorphic eruption of pregnancy
urticarial papules
plaques
wheals
management of polymorphic eruption of pregnancy
eczema management
2 presentations of atopic eruption of pregnancy
E-type: presents exactly like eczema
P-type (prurigo type): presents with intensely itchy papules on the abdomen, back and limbs
when does AEoP present?
in the 1st or 2nd trimesters
when does Atopic Eruption of Pregnancy present?
in the 1st or 2nd trimesters
how is AEoP managed?
eczema management
what is melasma?
hyperpigmentation of the face (associated with pregnancy)
what does melasma look like? (what are the patches like?)
the patches are symmetrical and flat hyperpigmented areas
5 causes of melasma
pregnancy
COCP
HRT
thyroid disease
FHx
exacerbates melasma
sun exposure
how is melasma managed
it is purely cosmetic i.e. if the patient isn’t bothered then you shouldn’t be either
avoid sun exposure and use makeup (other treatments are available outside of the NHS)
what is a pyogenic granuloma?
a rapid growly, benign capillary haemangioma
appearance of a pyogenic granuloma
a discrete lump 1-2cm which is red or darkly coloured
4 causes of pyogenic granuloma
pregnancy
Exogenous hormones
minor trauma
infections
where do pyogenic granulomata generally present?
on the fingers or on the upper chest, neck, back or head
suggest why a pyogenic granuloma could be troubling/cause symptoms
they can bleed profusely when injured
management of pyogenic granuloma
surgery and histology
NB in pregnancy you can just leave them because they will go away with delivery
what is the pathophysiology of gestational pemphigoid?
antibodies are produced against the placenta and this leads to damage to the skin at the level of the basement membrane
when does gestational pemphigoid occur?
how does it initially present?
2nd or 3rd trimester
presents with itchy rash around the umbilicus, and this later develops to blisters
true or false: the blisters in gestational pemphigoid heal without scarring
true
management of gestational pemphigoid
emollients, steroids (generally oral)
immunosuppresion
3 risks from gestational pemphigoid to the foetus
premature delivery
IUGR (foetus is unwell)
blistering rash on the baby (antibodies have crossed the placenta)
