Eczema Flashcards
What kind of hypersensitivity reaction is contact dermatitis?
Type IV
How can it present histologically?
Spongiosis
- widening of intercellular spaces
- diminution + rounding of keratinocytes
A FH of what condition is tightly associated with atopic dermaitits?
Asthma
What is the name given to the thickened pigmented patches that are apparent in those with chronic demaitis?
Lichenification
issy has it round her armpits
Where is eczema commonly found on the body?
Flexor surfaces
In infants
- cheeks
- extensor surfaces
Would eczema present symmetrically and bilaterally on the body or not?
Yes
How is severe non-reacting eczema managed?
Phototherapy
Immunosuppresants
What advice and managment plan would you give to a patient with acute eczema?
- Avoid washing if can avoid
- Use a soap subsitute
Use emolient liberally esp. after showering (ideally 3 times a day)
- apply in direction of hair growth
Topical steroid can be used for flareups but not continually
- once daily
What is seborrheic dermatitis?
Form of eczema thought to be caused by a hypersensivity to Malassezia (commensal found in skin)
When seborrheic dermatitis occurs in children what is it called?
Cradle cap
Seborrheic dermatitis is commonly found in the face. Describe where and how it looks?
Commonly in areas rich in sebaceous glands e.g. between eyebrows, around nasolabial folds, scalp
Can also affect eyelids -> blepharitis
Yellow/salmon pink plaques and underlying erythema
How is seborrheic dermatitis managed?
Anti-fungal - ketoconazole
~ topical steroid - hydrocortisone
Never cured - long term management always needed
What is the name of the eczema that commonly presents in elderly people due to over washing and cold climate?
What is the buzzword for the pattern?
What endocrine condition is it associated with?
Asteatotic eczema
Crazy paving
Hypothyroidism
(managed the same way as normal eczema)
