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20 Cards in this Set

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  • Back
What to remember about Tinea corporis:
All ages, direct contact, sm to lg scaling, sharply marginated plaques in an annular configuration. Lesions on exposed forearm & neck. KOH-septate& branched hyphae.
What to remember about Tinea capitis:
Children, direct contact, hair loss, hair shaft breaks off close to scalp. 4 types lesions (gray patch, black dot, kerion, favus)Lesions may last wks to mos. KOH-spores around hair shaft. Wood's lamp bright green hair shafts.
Disorder marked by fissures and epithelial desquamation at the corners of the mouth, esp. seen in children. The condition may be due to oral candidiasis or may be a symptom of dietary deficiency, esp. riboflavin deficiency.
What to remember about Candidiasis:
Candida albicans causative organism. Variety of lesions on skin & mucous membranes. KOH for yeast pseudohyphae, budding.
Risk factors for candidiasis:
Immunosuppressed, DM, obesity, pregnancy, oral contraceptives, antibiotic therapy, corticosteriods, chemotherapy.
Candidiasis oral:
Creamy white areas of membranous exudate on toungue or buccal mucosa that can be easily removed.
Perleche at the corners of the mouth & characterized by painful fissures & erosions.
Candidiasis intertriginous:
Papular or pustular satellite lesions, soreness itching my be intense.
Candidiasis Genital/perigenital infection female:
Vulvovaginitis-erythema of vaginal mucous membrane & vulval skin. Itching, soreness, thick creamy-white discharge, may spread to the perineum & groin.
Candidiasis Genital/perigenital infection male:
Balanitis-tiny papules on the glans penis, evolve as white pustules or vesicles & rupture, leaving a peeling edge, groin may be involved.
Perianal candidiasis-erythema, soreness & irritation. (also spreads along the natal cleft)
What to remember about impetigo:
Preschool children & young adults,contagious, Group A Strep or Staph, transient thin roof vesicles progress to golden or honey colored crust & erosions, lesion 1-3cm, round or oval, scattered, discreet, confluent, or satelite lesions usually on face, arms, legs. Keflex or Dicloxacillin.
What to remember about Ecthyma:
Really bad impetigo, also caused by pseudomonas. Hemorrhagic crust w/erythema or induration develops over wks. Tx systemic antibiotics & debridement (necrosis)
What to remember about cellulitis:
Usually Staph or Strep, localized redness/inflammation that increases in sz as spreads. Tight, glossy stretched appearance, macule (bright red), sudden onset, rapid growth in 24 hr, fever, chills, fatigue, myalgias, malaise.
What to remember about Erysipelas:
Inflammatory dz upper layers of skin, beta-hemolytic strep, 80% lower extremities, 20% deep seeded cellulitis in face, painful, well-demarcated tender, rapidly advancing erythematous plaque, fever & leukocytosis, tx as cellulitis.
What to remember about Erythrasma:
superficial, in skin folds, Corynebacteriae, skin color changes & slightly raised patch, Wood's lamp-coral pink. E-mycin.
What to remember about Staphylococcal scaled skin syndrome:
(Ritter's dz in newborns) enterotoxin of staph, toxic epidermal necrolysis, lg bullae, lg areas of skin loss, mortality 50% adults, immunosuppression usually present, antistaphyloccal antibiotics, fluids, electrolyte management.
What to remember about Necrotizing Fasciitis:
brawny edema, darkred induration, bullae w/ blue/purple fluid, skin friable, necrotic w/thrombosis of blood vessels in dermis, along fascial planes, venous channels, lymphatics, Streptococcal, aerobic/anerobic infection, immediate surgery, antibiotics, high mortality.
What to remember about paronychia:
gram+ organisms in periungual fold of nail, marked erythema, edema & pain, responds well to keflex or dicloxacillin & wedge excision of nail.
What to remember about Herpes Simplex I:
0.5-1.5cm clusters vesicles, most freq found mouth, lips, conjunctiva & cornea, genitalia,healing in 8-12 days, S/Sx irritability, anorexia, fever, gingival inflammation, painful ulcer in mouth
What to remember about Herpes Simples II:
Vulva, vagina or penis/Fever, malaise & tender inguinal adenopathy.
What to remember about Herpes Zoster:
Shingles-66% pts >50yrs. contagious, eruption in crops c macules, papules (24 hr), vesicles-bullae (48hr), pustules (96 hr) & crusting. Lesions for up to 1 wk. Erythematous edematous base w/superimposed clear vesicles, palm-sized groups of herpetifor vesicles-bullae along a dermatome w/unilateral distribution.