Dermatology_001皮肤学001.pptVIP

Scabies Very contagious STD Intense itchy rash, with linear burrows Tx: Kwell or Elimite (topical creams) Wash bedding/clothing in HOT water stored for 2-3 days Herpes Simplex Herpes Simplex Viral infection either Type I OR Type II “You can’t kill it and it won’t kill you” Clear papules c superficial ulcerations/erosions May cause fever, lymph node enlargement, burning pain Lesions will crust over in 5-14 days Tx: analgesic for pain, oral antiviral (acyclovir) Herpes Zoster Herpes Zoster Shingles, a reactivation of varicella zoster (Chicken pox) virus It remains in the cells of nerve roots in an inactive state (after exposure as a youth) Unknown reasons for reactivation Re-exposure to virus Immunosuppressant issue Some drugs Result in vesicles on a red base in a band-like distribution Painful rash, prickly nerve pain Tx: symptomatic, pain, calamine lotion Verruca Verruca Warts; caused by human papillomavirus Verruca plantaris – Verruca vulgaris – Round, flesh colored and grow to be yellow-ish tan 1cm or more wide 65% will resolve spontaneously Tx: destruction of epidermal cells that contain virus; cryogenically, chemically Molluscum Contagiosum Molluscum Contagiosum Viral infection of skin/mucous membrane Single or multiple flesh colored, dome shaped papules c central umbilication Found on face, trunk, extremities, lips/tongue, genitals Very contagious – self and others Common in swimmers/wrestlers Tx: curettage, silver nitrate to chemically burn the lesions Dermatitis Dermatitis Inflammation of the superficial dermis/epidermis Atopic Dermatitis: Heriditary disorder – may also have Hx of asthma, allergic rhinitis, rash Usually along cheeks, face, trunk, extensor surfaces of extremities Dry and papular rash, scratching makes it worse, d/t loss of natural oils in skin Aggravated by stress, anxiety, dry conditions Tx: good lotions rehydration of skin Contact Dermatitis: Papular and itchy rash resulting from contact c an allergen Commonly – nickel (cheap jewe