Skin Object is for you to learn and identify skin lesions
Dec 23, 2015
Skin
Object is for you to learn and identify skin lesions
Describe his skin
Normal skin
Color: Brown
Normal hair
No lesions
Should feel for texture, turgor, moisture and warmth
Describe the lesion
Normal Mole
• Tan to brown • Uniformly pigmented• Small (usually less than 6
mm across)• Solid regions of
relatively flat (macules) to elevated skin (papules)
• Well-defined, rounded borders
Describe skin over legs
Chronic ITP
Hyperpigmentation
Describe the lesion
Campbell’d morgan spots
Cherry angiomas are• Bright red • Small (usually 1-4 mm)• Papules • Commonly seen on the
trunk of adults.• Medically insignificant
Describe the skin
Hodgkin’s disease
• Dry• Scaly
What do you see
Senile purpura
• Red• Patch• Does not blanch on
pressure• Thin skin
Describe the lesions
Steroid induced purpura
• Red• Patch• Does not blanch on
pressure
Describe the lesions
Schonlein-Henoch purpura
• Ankle locaton• Multiple• Red• Not blanching on
pressure• Less than 5 mm• Vasculitis
What type of skin lesions do you see?
Henoch Schonlein purpura
• Multiple• Red• Not blanching on
pressure• Less than 5 mm• Vasculitis
Describe the lesion
Echymosis
• Red• Large patch• Irregular edge• Changing colors
Coagulation defect
Describe the skin lesions
Vasculitis
• Multiple• Red• Not blanching on
pressure• Less than 5 mm• Coalesing
Vasculitis drug induced
Describe each lesion
Leukemia cutis
• Ulcerating lesionsBlack base
Sharp edgesSurrounding echymoses
• Blister
1 cm
Fluid filled
Patient with HIV. Describe the legs
Kaposi Sarcoma
• Nonblanching red macule
• Surrounding ecchymoses and acquire more of a violet hue
• The lesions may become nodular
Describe the lesions
Malignant Melanoma
A: asymmetry- one side or half does not look like the other
B: border irregularity
C: color-black, or much darker than patient's other moles, often with red, white or blue areas.
D: diameter > 6 millimeters
Describe the lesions
Sarcoidosis
• Patch• O.5-1 cm in size• Different color than
skin• Slightly elevated
Maculo-papular lesions
Descrbe the skin lesions
Sarcoidosis
• Multiple• Less than 1 cm• Raised spot• Dome shaped
Papular lesions
What do you see?
Sickle cell anemia
• Over ankle• Patch• larger than 1 cm• Thin skin• Loss of substance of
skin
Old scar
Interpret his Nails
Normal
Transluscent
Shiny
Appears firm
Describe the nails
Doxorubicin
• Transeverse band• White in color
Describe the Nails
Iron deficiency anemia
• Spooning • concave
Koilonychia
Describe the scar
Ehler’s danlos syndrome
• Patch• larger than 1 cm• Thin skin• Loss of substance of
skin
Old widened scar
Describe the skin
Gardner Diamond syndrome
• Multiple• Leniar wide• Thin skin
Striae
Describe the lesion
Suqmous cell carcinoma
• Ulcer• Ear lobe• Crusted lesion • Sharp margin• Indurated
What is the lesion behind Ear?
Keloid (after piercing)
• Very firm • Rubbery lesions • Reddish or darkly
colored • Occur after trauma
sometimes very minor trauma
• May itch.
Describe the skin
Eczema dyshydrotic
Chest wall. Warm. Diagnosis?
Empyema
• Posterior chest wall• Red patch• Raised area• Warm• Tender
Describe his scar in chest
Empyema
• Posterior chest wall• Wide scar• Loss of rib
Previous open drainage
Describe her face
Sezary syndrome
• Red face
Erythroderma
Diagnosis
Erythroderma
Differential diagnosis includes: psoriasis,
eczema, drug reaction, pityriasis rubra pilaris (PRP), seborrheic dermatitis, lymphoma, mycosis fungoides, and other dermatoses.
Painful lesions. Diagnosis?
Erythema nodosum
• Well-localized, multiple tender, red, deep nodules, 1 to 5 cm in size
• bilaterally over the pre-tibial areas
Painful. Diagnosis?
Herpes Zoster
• Rash• Along a dermatome• Blisters not seen• Crosses mid-line
Describe the lesion
Strawberry hemangioma
• Red• Patch• 5 cms• Elevated• Blanch with pressure
Capillary angiomas composed of small, superficial vessels
Diagnosis?
Plantar Warts
• Sole of foot• Multiple• Raised• Rough• Varying size• Verrucous• Skin-colored papules
.
Describe the skin lesions
Psoriasis
Larger than 1 cm
Elevated patches
Plaques
Silvery scale
Describe the lesion
Superficial Epidermal cyst
• 5 cm• Fluid filled• Fluctuant• Orifice or "pore" near
the center
What do you see?
Stasis ulcer
• Location in leg• Denuded skin• Hyper-pigmentation• Firm skin