Dermatology Flashcards
- clustered or grouped vesicles on an erythematous base
- MC on butt or scalp where pH probe was
- Dx: Wright stain: multinucleated giant cells and eosinophilic intranuclear inclusions
- Tx: IV Acyclovir
HSV
-vesicles in a linear pattern without an erythematous base
Incontinentia pigmenti
- multiple pustules, brown macules, vesicles and pustules on a non-erythematous base
- Tzank smear: sheets of NEUTROPHILS
- No Tx
Neonatal Pustular Melanosis
- yellow pustules with an erythematous base, erythematous macules, IN THE CENTER a solitatry papule, or occasional vesicle
- frequently not present at birth
- Wright stain: EOSINOPHILS
- rash is benign and will fade within 5-7 d
- does not appear on palms and soles
Erythema Toxicum Neonatorum
-diffuse scaling and erythematous papules and pustules
Cutaneous Candidiasis
-rash that involves erythema, edema, vesicle formation, exudate, and scaling
Eczema
- lichenification with scratching
- behind he knees and elbows (extensor surfaces)
- associated with asthma, allergic rhinitis, and FHx
- high IgE level in the cord blood
- flares with food allergies
- prevention: breastfeeding x6mo
Atopic dermatitis
- inflammed eczema not responding to antibiotics
- vesicular lesions and crusted erosions
- Dx: Tzank smear
- Tx: acyclovir
Eczema herpeticum
- coin shaped plaques on the extensor surfaces due to dry skin
- round, oozing, crusting erosions, and dry macules with a fine scaly pattern
- Tx: topical steroids
Nummular ezcema
-ezcematous rash but appears on palms and soles and other family members are affected
Scabies
- greasy yellow patches on the scalp, face, and skin folds during the first 2 mo of life
- Tx: topical antifungals
Seborrheic dermatitis
- delayed hypersensitivity reaction
- requires multiple exposures
- red, vesicular, crusting rash
- jewelry and poison ivy
Allergic contact dermatitis
- silvery lesions on the elbows or knees
- scaly lesions on the scalp or groin
- Auspitz sign: bleed when picked
- erythematous plaques surrounded by thick adherent sclaes, pinpoint areas of hemorrhage, thick scales on the scalp
Psoriasis
- oozing rash with honey colored crusting
- Strep or Staph
- Tx does NOT prevent PSGN
Impetigo
- small oval thick scaling plaques
- long axis of the lesion parallel to the lines of skin stress
- herald patch
- palms and soles are spared
- winter and early spring
- Christmas tree pattern
Pityriasis rosea
-thin scaly lesions with central clearing and elevated border
Tinea corporus
- fever and generalized LAD
- rash that involves the palms and soles
Secondary syphilis
- hyper or hypo pigmented scaling macules
- get worse with exposure to the sun
- Dx: KOH prep
- Tx: astringents or topical antifungal
Tinea versicolor
- thin scales that have a pasted on appearance
- during preschool years
- Tx: keratolytic agents: ammonium lactate, alpha hydroxy acid and ures-containing emollients
- 50% will also have atopic dermatitis
Icthyosis vulgaris
- papular lesion on the sole of the foot in a child walking barefoot
- atypical mycobacteria
Swimming pool granuloma
- pruritic rash on the soles of the feet
- minimal scaling, thickening of the skin, with hyperlinearity of the distal soles
- interdigital skin is normal
- form of contact dermatitis from occlusive shoes and synthetic socks
- Tx: topical steroid
Juvenile plantar Dermatosis
- annular lesions without epidermal involvement
- NO SCALING
- benign inflammatory condition
Granuloma annulare