Eczema Flashcards
eczema came from greek word..which means
Ekzein.
To boil forth
543AD
hallmark of eczematous reactions.
serous exudate bet cells of the epidermis(spongiosis) w dermal perivascular lymphoid infiltrate and exocytosis (lymphocytes present in epidermis singlyy or groups)
in most eczematous process; ____ is very prominent in acute stage acc by minimal acanthosus and hyperkeratosis.
Spongiosis.
A crust is composed of
Serouss exudate, acute inflam cells; keratin.
most freq area of ear exzema
External canal
tx for breast ezema
Topical gentian violet 0.5% od on the nipple for upto 1 week.
Guaiazulene (azulon) dark blue hydrocarbon in europe used for nipple cracks w breastfeeding.
first line pharmacologic tx for hand dermatitis
potent and ultrapotent topical corticosteroid.
highest prev of diaper dermatitis
6-12 mos.
Effective barriers for diaper derm
Zinc oxise paste and petrolatum.
refers to spont dev of widespread dermatitis or dermatitis distant from the local inflammatory focus.
Autoeczematization ( id reaction)
histo for juvenile plantar dermatosis
Psoriasiform acanthosis
sparse largely lymphocytyic infiltrate in the upper dermis.
spongiosis.
stratum corneum thin but compact
Eczematous disorder in children 3yo to puberty. rarely to adult.
begins as patchy symm smooth red glazed patch on base or medial surface of great toes sometimes w fissuring and desquamation.
spares interdigital spaces.
evolve inti red scaling patches inv weight bearing and frictional areas of feet, usually symmetrically.
skin ends up like parchment paper and it fissures easily.
forefoot more involved than heel.
caused by repeated maceration of feet due to occlusive shoes often worn without socks.
Tx avoidance of maceratioj, foot powder. keerpt foot dry. steroid limited value.
Juvenile plantar dermatosis
also known as winter itch eczema craquele, asteatotic eczema.
Xerotic eczema
favored sites for xerotic eczema
Ant shin, extensor arm, flank.
what heterozygous null mutation gene is assoc w xerosis.
Xerotic eczema
