Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
59 Cards in this Set
- Front
- Back
|
define macule
patch? |
Macule: flat spot on skin measuring <1cm
Patch: >1cm |
|
|
papule looks like?
nodule? |
• Papule: nonpustular, nonvesicular lesion on skin <1cm
• Nodule: >1cm |
|
|
vesicle are?
Bulla? |
Vesicle: small blisters < 1cm
• Bulla:>1cm (some are tense some are flaccid) |
|
|
Pustule: important?
|
Pustule: A collection of leukocytes in the epidermis
- acne, staph |
|
|
Plaque:disease seen in?
|
Plaque: broad, elevated flat lesions > 1cm
psorias |
|
|
What are secondary lesions?
|
adjective to describe the primary lesion
• Scale, Crusts • Erosion • Fissure • Eschar |
|
|
atopic dermatitis
|
cheeks spairing oral area
papular erythematous rash allergic shiners |
|
|
After knowing lesion is erythematous what next?
|
whether non-scaling or scaling
|
|
|
After knowing lesion is erythematous and that it is non-scaling what is next?
|
1. localized with spepsis
2. localized without sepsis 3. generalized +- systemic signs |
|
|
After knowing lesion is erythematous and that it is non-scaling what is next and 1. localized with spepsis what could it be?
|
cellulitis
|
|
|
After knowing lesion is erythematous and that it is non-scaling what is next and 1. localized without spepsis what could it be?
|
insect bits, acne, hemanigioma
|
|
|
After knowing lesion is erythematous and that it is non-scaling what is next and 1. generalized with/without systemic signs what could it be?
|
urticaria
erythema nodosum viral exanthemas annular erythemas |
|
|
After knowing lesion is erythematous and that it is scaling... what is next?
|
Is it...
papulosquamous eczematous |
|
|
After knowing lesion is erythematous and that it is scaling and papulosquamous
|
pityriasis
psoriasis tinea corporis syphillis |
|
|
After knowing lesion is erythematous and that it is scaling and eczematous
|
atopic dermatitis
contact dermatitis scabies others |
|
|
Acute, rapidly spreading nonsuppurative infection of the skin and underlying soft tissue NOT including the muscle
|
cellulitis
|
|
|
clinical findings of cellulits
|
commonly on extremity
tender, warm poorly demarcated boggy plaque |
|
|
differential of cellulitis
|
– Venous thrombosis
– Gout – Lipodermatosclerosis – Chronic stasis dermatitis |
|
|
25 yr old f painful erythematous nodules on anterior surface of both legs and extensor surface both arms with pain and swelling lower leg and ankles
poorly defined borders 2-6 diameter, hard nodular, painfull |
erythema nodosum
|
|
|
erythema nodosum associated with?
|
cocidioidomycosos, histoplasma
Sarcoidosis anterior portion of shin lesion of subcutaneous fat |
|
|
classic description of psoriasis?
What is skin sign? |
silky- silver scales
neutrophil collections in stratum corneum (munro microabsesses) - auspitz sign- push on skin and scales pull off |
|
|
5 p's of lichen planus
|
psoriasis
postular puriritic painful Flat topped papules |
|
|
Flat topped papules with a classic white reticular pattern on the suface
|
lichen planus
- associated with HepC |
|
|
classic "hearald patch plaque" followed by a rash that follows cleavage line
|
pityriasis rosea with "christmas tree"
|
|
|
microscopic findings for psoriasis?
|
downward extension of basal layer
-extension of papillary drmis close to surface of epithelium |
|
|
Varicella- zoster usually has what podrome?
|
radicular pain and itchng before rash occurs
|
|
|
morphologic term used to describe a specific class of dermatologic conditions containing mainly papules and scale ( squamous) in their diagnostic description
|
papulosquamous
|
|
|
what is genetic status and gene of psoriasis vulgaris
|
HLA B-13 Auto dom, immune T cell reaction
|
|
|
scaley white plaques often seen over elbows/knees made worse by what drug?
|
psoriasis vulgaris made worse by lithium, B-blockers
|
|
|
seborrheic dermatitis caused by?
|
p. ovale often M. furfer
|
|
|
Corynebacterium minutissimum – gram positive rod, part of the normal skin flora
causes what seen in the arm pits and tropics |
erythrasma
|
|
|
Red/brown scaly macules with an erosive collarette-like scale
diagnosed with? |
erythrasma use wood's lamp
|
|
|
Lichen planus associated with which disease?
What lesion shows up 50% of the time in LP? increase risk of? |
hep C
- oral mucosa produces a fine, white net-like lesion (wickham's striae) increase risk of SCC |
|
|
rose colored plaque on trunk.... herald patch (rash on lines of cleavage)
When doe we usually see this? |
pityriasis rosea (shows christmas tree" rash)
spring and fall |
|
|
MCC tinea corporis
|
T. rubrum
|
|
|
with nail and hand involvement with tinea what is treatment?
|
must give topical and oral antifungal
|
|
|
Reddish-orange scaling plaques of unknown etiology with palmoplantar keratoderma and follicular keratotic papules
|
pityriasis rubra pilaris
AD |
|
|
How many types of pityriiasis rubra?
|
6 types
|
|
|
Cutaneous T cell lymphoma
|
scattered pink erythematous plaque (salmon colored) seen in T-cell lymphoma
|
|
|
Scaling plaques which mimic eczema
• Itchy • Multiple different shades of red-brown • Round, oval annular or bizarre shape |
could be t-cell lymphoma
|
|
|
Erythematous papule or plaque with modest
amount of scale • Hypopigmented or hyperpigmented • Scarred • Mucosal, palms and soles |
discoid lupus
|
|
|
cornerstone of treatment for discoid lupus
|
antimalarials!
|
|
|
GA (granuloma annulare) occurs most often on? has strong associated with?
|
dorsum of hands and feet associated with DM
|
|
|
drugs that cause...
a. photoxic drug eruption b. accumulation of silver c. over dosage pupura |
a. tetracyclines
b. sliver nitrate c. pupura with coumadin |
|
|
Define vesicle
Define Bulla Define Vesiculobullous |
Vesicle- a blister less than 1cm in size
• Bulla- a blister greater than 1cm in size • Vesiculobullous- blisters between <1cm to >1cm |
|
|
Highly contagious gram positive bacterial infection of the superficial layers of the skin Staphylococcus aureus group 2 phage 71/GABHS
30% nares small percentage groin, hand, rectum, pharynx |
impentigo
|
|
|
Where does scolded skin syndrome occur?
|
blister at granular layer of the of the epidermis due to splitting of the desmosomes
|
|
|
IgG auto Ab and type II hypersensativity basal cells sees tombstone
+nikolsky sign is what? |
pemphigus vulgaris
- outer epidermis separates from the basal layer with minimal pressure |
|
|
Flaccid bulla on the skin with an erosion in the oral mucosa
• + Nikolsky’s sign • + Asboe-Hansen sign- lateral pressure on the bulla will spread the bulla to uninvolved skin |
pemphigus vulgarist
|
|
|
HSV2 is dormant in where?
|
sensory ganglia
shows multinucleated squamous cells with eosinophilic intranuclear inclusions |
|
|
• “oval teardrop on an erythematous base”
• “dew drop on a rose pedal” |
varicella zoster (chicken pox)
|
|
|
varicella zoster aka chicken pox spares what usually?
|
distal extremity
|
|
|
Chronic, autoimmune, subepidermal blistering disease that RARELY involves the oral mucosa
|
bullous pemphigoid
- involvement of the subepidermis |
|
|
• Subacute or acute formation of tense bulla
• UV radiation or drug induced • Bullous, vesicular, urticarial, acral in children • Causes include genetic, age, epitope spreading |
bullous pemphigoid
|
|
|
idiopathic photodermatoses relating to sun exposure with papules, vescicles, and plaques
MC seen in what population? |
American Indians
UV-A induced ICAM-1 polymorphous light eruption |
|
|
Immune mediates skin disease with a gluten sensitive enteropathy
How does this present clinically? |
dermatitis herpetiformis
IgA-anti- IgA deposits at the tips of the dermal papillae = super itching, symmetric blisters |
|
|
targetoid or iris shaped macules or
vesiculopapules on the palms or soles |
erythema multiforme
- sufa other meds - myco pneumonia or HSV if recurrent |
|
|
Extensive full thickness skin detachment could have 80% mortality if untreated
|
toxic epidermal necrolysis
|
|
|
toxic epidermal necrolysis treatment?
compared to scalded skin syndrome? |
put em in burn unit
- staph scolded skin separates upper layer of the epidermis, this shit separates dermis/epidermis |
