Neurodermatitis. Definition Definition A common,chronic skin disease resulting from nervous...
-
Upload
berniece-singleton -
Category
Documents
-
view
220 -
download
3
Transcript of Neurodermatitis. Definition Definition A common,chronic skin disease resulting from nervous...
DefinitionDefinitionA common,chronic skin disease resulting from nervous disorder ,A common,chronic skin disease resulting from nervous disorder ,
accompanied with extreme pruritus and localized lichenificationaccompanied with extreme pruritus and localized lichenification
Etiology and PathogenesiEtiology and Pathogenesiss
functional disturbance of nervous systemfunctional disturbance of nervous system 、、excitative and inhibitive disequilibrium of cexcitative and inhibitive disequilibrium of cerebral cortex.erebral cortex.
MotivationMotivation :: 1.neural and psychogenic facto1.neural and psychogenic factorr 2.diet2.diet
3.gastrointestinal dysfunction3.gastrointestinal dysfunction 4. endocrine disturbance 4. endocrine disturbance
clinical manifestationclinical manifestation
Spasmodic pruritus many 0.5cm±skin cSpasmodic pruritus many 0.5cm±skin c
olour round or polygonal lichen planus olour round or polygonal lichen planus
lichenificationlichenification
More serious in summerMore serious in summer
Has a predilection for the nape,elbows.lower back aHas a predilection for the nape,elbows.lower back and eyelidsnd eyelids
20 ~ 40yr adults( i ) neurodermatitis circumscripta
clinical manifestation clinical manifestation (( iiii ) ) neurodermite dissemine neurodermite dissemine :: widely widely
spreadspread skin-color ancipitous papulars
lichenified
the classic locations are scalp,extremities,upper back ,waist.
spasmodic pruritus
Chronically relapsing course of the disease 、
Differential diagnosisDifferential diagnosis
Chronic eczema Chronic eczema NeurodermatitisNeurodermatitiscausecause Allergy Allergy
reactionreaction ,, environmentenvironmental and physiologic al and physiologic factorsfactors ,, not easy to not easy to findfind
neural and psychogenic distneural and psychogenic disturbanceurbance
InvolveInvolvement ment
symmetrysymmetry ,, any part of any part of the bodythe body ,, especially especially extremities extremities 、、 legleg 、、 extexternal genitalia ernal genitalia 、、 anusanus
asymmetry, mainly napeasymmetry, mainly nape,elbows,lower back,ham,elbows,lower back,ham
lesionslesions AcuteAcute :: multiformmultiform 、、 oozoozing ing 、、 seasonalityseasonality ,, mormore serious in wintere serious in winterChronic:lichenificationChronic:lichenification
Itching, skin-colour anciItching, skin-colour ancipitous papular, lichenificpitous papular, lichenificationation
Diagnosis and differential diagnosisDiagnosis and differential diagnosis
(( iiii )) lichen planus polygonal or triangular ancipitous plichen planus polygonal or triangular ancipitous papularapular , ,
affect mucous membrane and finger and toe nailaffect mucous membrane and finger and toe nail
Dark red
lavander
( iii ) primary cutaneous amyloidosis 1. occur commonly on the shins and upper back ; 2. Small brown papules that group to form infiltrated large moniliform plaque ; 3. Immunoperoxidase stains for keratin is useful.
( ix ) atopic dermatitis 1. Infantile eczema ; 2. A group of papulars that mimic eczema-like lesions ; 3. Active family history
treatment treatment avoidavoid scratchingscratching
(( ii )) P.OP.O :: 1. antihistamines1. antihistamines 2. ataractics 2. ataractics
(( iiii )) ExtExt :: summersummer :: Lin.AluminiumLin.Aluminium 、 、 Lin.DexamethasoLin.Dexamethasone andCoaltar ne andCoaltar 、、 Lin.Dexamethasone and propylene Lin.Dexamethasone and propylene GlycolGlycol
winterwinter :: 5% Cream Benzocaine5% Cream Benzocaine Cream.Dexamathasone.Co Cream.Dexamathasone.Co
intralesional injection of triamciintralesional injection of triamcinolonenolone