Slackers Guide to Skin lesions

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Slacker’s Guide to Skin Lesions
What are these
Type of lesion:
Type of lesion:
Type of lesion:
Type of lesion:
What are these
Type of lesion: Macular/patch
Type of lesion: Macular/patch
<- Café au lait
Mongolian spot ->
<- Lentigo
Ephelid ->
Type of lesion: Macule
Type of lesion: Macule
Differentials
Type of lesion: Macular/patch
Type of lesion: Macular/patch
<- Café au lait
Mongolian spot ->
Present at birth or early childhood
Does not fade with age
Light brown in hue
Present anywhere
Present at birth
Fades with age
Bluish in hue
Limited to sacral lumbar area
Differentials
Seen in young individuals
Lightens and darkens with sun
exposure
Related to sun exposure
Typically seen in older individuals
<- Lentigo
Ephelid ->
Type of lesion: Macule
Type of lesion: Macule
What are these
Type of lesion: Macular/patch
<- Café au lait
Small
Fades with age?
Lightens and darkens with season
Large
Does not fade with age
Stable coloration. Surrounding
skin may change color
Ephelid ->
Type of lesion: Macule
What are these
Type of lesion:
Type of lesion:
Type of lesion:
Type of lesion:
What are these
Type of lesion: Macule
Type of lesion: Slight papule
<- Junctional Nevus
Compound Nevus->
<- Intradermal Nevi
Sebhorreic
Keratosis ->
Type of lesion: papule
Type of lesion: papule
Differentials
Keratotic psuedocysts
Velvety texture
??Not velvety
Melanocyte nests in dermis
<- Intradermal Nevi
Sebhorreic
Keratosis ->
Type of lesion: papule
Type of lesion: papule
What are these
Type of lesion:
Type of lesion:
Type of lesion:
Type of lesion:
What are these
Type of lesion: Macule
Type of lesion: Macule
<- Junctional Nevus
Dysplastic Nevus->
<- Halo Nevus
Dermatofibroma->
Type of lesion: Macule
Type of lesion: macule or papule
Differentials
Dimples when pinched
Usually on legs
Central white patch
Outer white ring
<- Halo Nevus
Dermatofibroma->
Type of lesion: Macule
Type of lesion: macule or papule
Differentials
Type of lesion: Macule
Type of lesion: Macule
<- Junctional Nevus
Dysplastic Nevus->
Usually regular color and edges
Melanocyte nests at dermal
epidermal junction
Irregular border and color
Nests of melanocytes stream
horizontally
What are these
Type of lesion:
Type of lesion:
Type of lesion:
Type of lesion:
What are these
Type of lesion: Papule
Type of lesion: Papule
<- Kerattoacantthoma
Angioma: Pyogenic
Granluoma ->
<- Epidermoid Cyst
Pilar Cyst->
Type of lesion: Papule
Type of lesion: Papule
Differentials
Type of lesion: Papule
Type of lesion: Papule
<- Kerattoacantthoma
Angioma: Pyogenic
Granluoma ->
Keratin center that looks
like a dormant volcano
Red vascular center that looks
Like an active volcano.
Differentials
Present on “hairless” areas
Usually involves hairy areas
<- Epidermoid Cyst
Pilar Cyst->
Type of lesion: Papule
Type of lesion: Papule
What are these
Type of lesion:
Type of lesion:
Type of lesion:
Type of lesion:
What are these
Type of lesion: Papule
Type of lesion: Papule
<- Sebaceous
Hyperplasia
Syringoma ->
<- Adenoma Sebaceum
Verruca Plana ->
Type of lesion: Papule
Type of lesion: Papule
Differentials
Type of lesion: Papule
Type of lesion: Papule
<- Sebaceous
Hyperplasia
Syringoma ->
Forehead of men
Sebaceous glands
Below eye of women
Eccrine glands
Differentials
Flat warts.
Central facial papules
<- Adenoma Sebaceum
Verruca Plana ->
Type of lesion: Papule
Type of lesion: Papule
What are these
Type of lesion:
Type of lesion:
Type of lesion:
Type of lesion:
What are these
Type of lesion: Papule
Type of lesion: Papule?
<- Blue Nevus
Venous Lake ->
<- Fibroepithelial
polyps
Stucco Keratosis->
Type of lesion: Papule
Type of lesion: Papule
What are these
Type of lesion: Papule
Type of lesion: Papule?
<- Blue Nevus
Venous Lake ->
Mole with deeper melanin
Resulting in a blue color
Collection of venous blood
Blanches when pressed
Differentials
Small mole like structures but
Less well attached?
Small Seborrheic Keratosis
<- Fibroepithelial
polyps
Stucco Keratosis->
Type of lesion: Papule
Type of lesion: Papule
What are these
Type of lesion:
Type of lesion:
Type of lesion:
Type of lesion:
What are these
Type of lesion: Macule/patch
Type of lesion: macule?
<-Angioma:Telangiectasia
Angioma :Spider->
Type of lesion:
Type of lesion:
What are these
Type of lesion:
Type of lesion:
Type of lesion:
Type of lesion:
What are these
Type of lesion: Papule
Type of lesion: Papule?
<- Pustular Psoriasis
Erythema
Multiforme ->
<- Gutate psoriasis
Herpes Zoster ->
Type of lesion: Papule
Type of lesion: Papule
Differentials
<- Pustular Psoriasis
Erythema
Multiforme ->
Targetoid lesions
Diffuse
Differentials
Itchy
Painful
Follows dematome
<- Gutate psoriasis
Herpes Zoster ->
What are these
What are these
<- Varicella
(Chicken Pox)
Lichen Planus ->
<- Urticaria
Mobiliform->
Differentials
<- Varicella
(Chicken Pox)
Lichen Planus ->
Dew drop on rose pattern
Itchy
Widespread
Caused by Varicella
Pruritic, purple, polygonal,
polymorphous papules
Wrists, oral whitish
reticulation
Differentials
Resembles measles
Erythematous papules
coalsescing into
plaques
Angioedema
Transient
Rapid changes
Can be localized or diffuse
<- Urticaria
Mobiliform->
What are these
What are these
<- Bullous Pemphigoid
Pemphigus Vulgaris ->
<- Psoriasis
Seborrheic
Dermatitis->
Differentials
<- Bullous Pemphigoid
Pemphigus Vulgaris ->
Tense blisters
Flaccid blisters
Differentials
Erythematous plaques with silvery
scale
Especially on elbows and knees
Pitting of nails common
<- Psoriasis
Seborrheic
Dermatitis->
In sebaceous areas
What are these
<- Dyshidrotic Eczema
Molluscum
Contagiosum ->
<- Impetigo
Atopic Dermatitis->
Differentials
<- Dyshidrotic Eczema
Molluscum
Contagiosum ->
Itchy
Small blisters on hands and feet
Non contagious
Small fleshy pearlescent papules
Caused by pox virus
Contagious – std in adults
Differentials
Honey colored
Staph or strep infection
Aggravated by allergens
in environment
<- Impetigo
Atopic Dermatitis->

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