Derma Flashcards
Superficial pyogenic infection of skin
Impetigo
The primary lesion of non-bullous impetigo
Vesicles →ruptures → yellowish-brown crust
Site of non-bullous impetigo
Anywhere except Palms and soles
Impetigo heal
Without scar
Site of Bullous impetigo
Include Palms and soles
Complication of Bullous impetigo
circinate impetigo
Ecthyma cure
With scar
Topical treatment of impetigo
① remove crust → Olive oil ②antiseptic ③ antibioticis
The organism cause furucuolosis
Staph
Infection of pilosebaceous apparatus
Furunculosis (boil)
Shape of furanculosis
Red nodule → center became yellow discharge pus
Infection of group of pilosebaceous apparatus
Carbuncle
Shape of carbuncle
Lump with pus discharging from multiple follicular orifices
Common site of carbuncle
Back of the neck
Lesion manifestation of furanculosis and carbuncle
Painful & tender
TTT of furunculosis
Systemic and topical antibiotic
Site of erysipelas and organism
Dermis / streptococcus
Shape of erysipelas and colour
Well-define - Red
Complication of erysipelas and cellulitis
① septecemia ② Lymphedema’s ③ nephritis
TTT of cellulitis
Penicillin /// // / ///// erythromycin →alternative
Shape of cellulitis?
Ill-define inducted Red, tender swelling
Inflammation of skin area () folds
Intertrigo
Shape of interfrigo
Well define / erythematous patches/ painful fissure
Riboflavin deficiency cause
Angular cheilitis
The infection of skin caused by corynebacterium minutissimum
Erythrasma
Erythrasma
Chronic / superficial
Shape of erythrasma and color and site
Well-define/ red brown/ intertriginous areas/ asymptomatic
Erythrasma in wood’s light
Coral Red fluorescence
Pityriasis vesicular in wood’s light
Yellow fluorescence
TTT of erythrasma
Erythromycin and tetracycline
Organism and shape of lupus vulgaris
TB / well-define reddish brown plaque (apple jelly nodules)
(L.v.) give apple jelly nodules in
Diascopy test
Healing of (l.v.)
Formation of scar contain active nodules
TTT of (l.v.)
RIP → rifampin + isoniazid + pyrazinamide
Mode of infection of lepton and IP
Droplet / 3-5 years
…………. Leprosy develop with good immunity
Tuberculoid
Shape of (t.t.) and lesion
Well-define/ hypo pigmented patch or plaque few number
Loss of light tough → temperature → deep touch
Nerve thickened and fender
Lepromin test in (t.t.)
Positive (+)
In lepromatous leprosy the shape
Multiple papule) or nodules or plaque [ leonine face] ear lobes thickened / with epistaxis
Histo pathology of (L.L.)
Foamy with large n of lepre bacilli
TTT of (t.t.)
Rifampicin +: dapsone for 6 months
TTT of (L.L.), (B.B.)
Rifampicin + dapsone + clofazimine for 2 years
Warts caused by
HPV
Shape of common warts
Dome shaped Popules with rough surface
Site of common warts
Dorsal surface of hand finger feet knee
Shape of plane warts
Smooth flat-topped Popules
Plantar warts oo the shape
- shiny Papule’s
- rough surface
*interruption of skin ridges - bleeding
Shape of callus
In pressure areas → thickening without interruption of epidermal ridges
Shape of corn
- Central keratotic spike * not produce bleeding
The genital warts =
Condyloma acuminata
Transmission in condyloma acuminate
Sexual and non sexual
Shape of condyloma acuminate
Red soft papule = cauliflower-like mass
Differnties () condyloma late and genital wart
- Sessile /grayish-white / not easily bleed
- pedunculated / Red / easily bleed
TTT of warts
① electro cautery ② cryotherapy ③ chemical cautry
What is chemical warts?
- Salicylic acid * formalin * podophillin
Retinoic acid used in … Warts
Plane warts
Shape of molluscum Contagiosum
Shiny pearly - white umbilicated PapuLes →→→→ on squeezing → white cheesy material
TTT of molluscum contagion sum
Destruction of lesion by:
* curettage * cryotherapy * electro cautry
Shape of (E.M.) and etiology
Target or iris / immune mediated reaction
E.M. Minor clinical picture
- Bilateral & symmetrical on extensor * polymorphic →→→ the target or iris * asymptomatic
Zones of target lesion
Central →i→→ →→→ → cyanotic or purpuric
Pale ring
Periphery →→→ erythematous & edomatous area
E.M. Major → clinical picture
- Systemic symptoms ✓✓ ✓
- target or iris
- wide-spread vesiculo- bullous eruption
- mucous membrane lesion ✓ ✓
Inflammation of subcutaneous fat , painful Nodular erythematous eruption
Erythema nodosum
Healing of erythema nodosum
Bruise-like colour changes
Fixed drug eruption
Secures in the same sites eachtime drug administered →→ well-defined plaque
Steven-johnson syndrome & toxic epidermal nekrolysis is
Epidermal nekrolysis
Nickolsky sign is (+) in
Epidermal nectolysis
Clinical picture of epidermal necrolysis
Skin → erythematous macula → flaccid blisters →→ epidermal detachment
Autoantibodies are formed against intracellular bridges of prickle prickle cell layer →→→→ acantholysis and intraepidermal bullae
Pemphigas vulgaris
Shape of pemphigas vulgaris
- Flaccid bull → rupture → painful erosion & crusts
TTT of pemphigas vulgaris
Steroids & immunosuppressive (cytotoxic)
etiology of psoriasis ?
① kobner ② infections→ strep coccal ③cold weather ④ hypocalcomia ⑤ drugs
Drugs provoke psoriasis
① chloroquine ② lithium ③ B blocker ④ withdrawal of steroids
Shape of psoriasis vulgaris
• Plaques + populous
• well defined
• cover with silvery white scales
• Red color = salmon- pink
Site of pityriasis amiantacia
Scalp1 No hair loss
Psoriasis of nails
• Pitting • onycholysis. ..• yellowish
Which psoriasis following streptococcal throat infection
Guttate
Geographic tongue
In mucosal psoriasis
In which psoriasis we can see itching
Intertriginous
Other types of psoriasis
② erythrodermic → scales + Red
③ pastular→ sterile pustules
④ arthropathic
Topical TTT of psoriasis-
① steroids ② salicylic acid ③ tar ④ calcipottiol
Systemic therapy of psoriasis
• Methotrexate
• PUVA
• retinoids
• cyclosporine
•. biologic
Dose of calipotriol in psoriasis
100 gm weekly for 6 weeks
Contradiction of retinoids
Teratogenic
Contraindication of tar
- Face, flexures, genitals __- erythrodermic and pustular psoriasis…___.. severe acre & folliculitis
Hyper keratosis and granulosis and degeneration of basal layer = saw-teethed appearance
Lichen planus
Shape of lichen planes
Itch / flat-topped / PaPuLe’s / wickhams striae
Nail in LP
Pterygium
Oral mucosa in LP
White dots and streaks / maybe precancer
Shape of DLE
Well-define plaque / scales / follicular direction with horny plug / dyspigmentation
TTT of DLE
Steroid / antimalarial drug
Trichotillomania cause…….. Alopecia
Non-cicatricial
Telogen effluvium cause…….. Alopecia
Non. Cicatricial
SLE cause —– alopecia
Non- scarring
Discoid L E cause …….alopecia
Starting
The mark positive in alopecia areata
Exclamation mark!
Types of alopcia areata
① patchy ② totalis ③ universal ④ marginal-
TTT of alopecia areata
Sensitizer / minoxidil / corticosteroid / PUVA
Causes of hyper pigmentation
① freckles ② melasma ③ pityriasis versicolor
Causes of de pigmentation
1 albinsm ② piebaldism ③ vitiligo
Shape of vitiligo
Milky white depigmented macules or patches