Intro to Derm Flashcards
What items are needed for an effective total body skin exam?
Lighting, Undressed patient in gown, Privacy, RULER, Magnifying glass, Open mind, CHAPERONE
What are the Indications of a Total body Skin exam?
Hx of Skin cancer
Inc risk for melanoma or malignancy
New rash or lesion of concern
F/U for extensive skin lesions
What are the types of Flat primary skin lesions.
Macule 1cm
What are the types of Raised, solid lesions?
Papule 1cm
Tumor>2cm
Plaque>1 cm and flat topped
What are the types of Raised, fluid filled lesions?
Vesicles: Clear fluid 1cm
Pustule: White Fluid, filled w/ pus
What is a Wheal?
Round or flat topped edematous and erythematic, shape subject to change
What is a telangectasia?
Enlarged Superficial BV
What is an erosion?
Loss of epidermis, depression in skin, heals without scar
What is a scale?
Flake or plates of skin
What is a crust?
Dried plasma or exudate
What is an ulcer?
Loss of epidermis, part/complete dermis, heals with scar
What is a Excoriation?
Traumatized or Abraided skin
What is a Petichiae vs Purpura vs Ecchymoses?
Petichiae 1-2mm
Purpura 3 mm
Ecchymoses >1cm
What are the traits of Tinea Versicolor?
Malessezia furfur
Tx Ketoconazole shampoo
What is the MOA of Topical Steroids?
Inhibits NF-kB, supresses B and TC function. no cytokine transcription. Demarginalization of neutrophils, chronic immunosupression