Tinea Corporis

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Fungus Infections

• Tinea Corporis
• Circular rash
• Does not fade
• Can appear on all surfaces
• Spreads by direct contact

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Tinea Capitis
ROUND AREA OF THE SCALP LOSS OF HAIR SCALING
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ATOPIC DERMATITIS

• BEGINS IN INFANCY
• RARE IN ELDERLY
• COMMON ON FACE,EXPOSED AREAS AS WELL AS BODY
  FOLDS
• FAMILY HISTORY
• ITCHING
• RASH IN ADULTS LOCALIZED, DRY, OR LICHENIFIED
• OFTEN CLEARS BY ITSELF

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IMPETIGO

• Caused by either staph or strep
• Vesicle lesion
• Dries to a honey crust

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Other staph infections
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What rash is prevalent in the Spring and early
summer?
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Either poison ivy or a lyme rash
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Lyme Disease

• Annular rash
• Usually at the site of bite
• Can be all over as well

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Poison Ivy

• Rash is either linear or more focused depending
  on the way the plant has touched the skin
• Erythema and papules and vesicles are present

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Pityriasis Rosea

• Trunk and proximal extremities
• Herald patch precedes generalized lesion
• Salmon colored oval patches
• May itch

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Psoriasis

• Extensor surfaces, esp elbows and knees
• Scalp, nails, coccygeal surface
• Nails
• Silvery.loose scales
• Sharp margins
• Stops at hairline
• Associated with arthritis

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ACNE

• Papules and pustules
• Face, back, and chest
• Associated with comedomes
• Starts at puberty and lasts several years

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SEBORRHEIC KERATOSES

• IRREGULAR GREASY SURFACE ON TOP OF SKIN
• YELLOW,TAN, DARK BROWN
• SHARPLY DEFINED EDGES
• USUALLY ON COVERED PART OF BODY AND FACE

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NUMMULAR DERMATITIS

• SCALING PLAQUES
• MOSTLY ON BACK, BUTTOCKS, AND HANDS
• COIN SHAPED
• ITCHING, OOZING
• OCCUR IN CHILDREN AND ADULTS

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SCABIES

• LINEAR BURROWS NOT ALWAYS SEEN
• PAPULES WITH EXCORIATION AND CRUSTING
• FOUND ON FINGER WEBS, ELBOWS, WRIST, GENITALIS,
  GLUTEAL CLEFT,
• ITCHING, WEEPING, EXCORIATION

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INSECT BITES

• INFLAMED PAPULES
• USUALLY ON TRUNK AND IN GROUPS
• ITCHING
• FLEAS IN LOWER LEGS USUALLY

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BASAL CELL

• MOSTLY ON FACE AND SUN EXPOSED AREAS
• SMOOTH SURFACE WITH PEARLY EDGE
• ATROPHIC CENTER
• MORE COMMON IN ELDERLY
• ROUNDISH SHAPE
• TANNISH BROWN

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SQUAMOUS CELL

• COMMON ON HANDS, FACE, EARS-SUNEXPOSED
• SMOOTH OR IRREGULAR
• IRREGULAR EDGES
• MAY BE SCALING
• TANNISH BROWN
• ELDERLY MOST AFFECTED

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MELANOMA

• MEN-MOSTLY ON TRUNK
• WOMEN-MOSTLY ON LEGS
• PIGMENTED WITH DIFFERENT COLORS
• IRREGULAR BORDER
• CHANGE IN SIZE