Dermatology Flashcards
Go together areas
Palms and soles, elbows and knees, intertriginous areas, mucous membranes, hair and nails, photo distribution
Factors to assess on Derm issues
History, colour, shape, size, arrangement, location, extent, borders, secondary lesions
Unusual shapes/asymmetric distribution may suggest
External cause
Sharp borders suggest
Epidermal process
Domed edges suggest
Dermal, subcutaneous process
Excoriation
Itchy
White derm change
Decreased melanocytes, melanin production or transfer, fibrous tissue
Brown derm changes
Increased melanocytes, increased production of melanin, thickening of the epidermis
Red skin changes
Dilated vessels, more vessels, blood outside vessels, collection of lymphocytes
Yellow skin changes
Sebum, fat, mast cells, histiocytes
Acral areas
Peripheral body parts - hands, feet, ears, nose
Intertriginous areas
Folded areas - axilla, groin, natal cleft, below boobs, abdo folds, elbow folds
ABCDE
Asymmetry, border, colour, diameter, evolution
Cafe du lait can be associated with
Neurofibromarosis (if there are many cafe du laits)
Dermatitis herpetiformis associated with what disease
Celiac disease
Hairy moles are called
Congenital melanocytic hairy Nevis
Acanthosis nigricans
Elevated insulin level stimulating the growth of the epidermis and causing it to turn brown
Lichen simplex chronicus
Brown because of thickening of the skin due to scratching and rubbing
Telangiectasia - spider Nevis
Central red papule with radiating red arms
Acne Vulgaris treatment
Isotretinoin
Most common skin malignancy
Basal cell carcinoma
Slow growing nodule with pearly, rolled borders
Basal cell carcinoma
Small painless papules commonly found on the back of upper arms
Keratosis Pilaris
Treatment for keratosis pilaris
Emollients and topical keratolytics
Presentation of hidradenitis suppurativa
Chronic recurring lesions in intertriginous areas, can leave scarred plaques
Risk factors for hidradenitis suppurativa
Smoking, obesity, diabetes
Treating hidradenitis suppurativa
Topical clindamycin, oral tetracycline, surgical excisions
Potassium hydroxide microscopy of skin scrapings is used to confirm
Tinea corpora, pedis
Rapidly growing nodule with ulceration and a central keratin plug
Keratoacanthoma
Keratoacanthomas may progress into invasive
Squamous cell carcinoma
Lichen planus 5 Ps
Pruritis, purple/pink, polygonal, papules, plaques
Treating lichen planus
Betamethasone on lesions, systemic glucocorticoids, phototherapy
Alopecia arreata treatment
Intralesional corticosteroids
Tinea versicolor bug is
Malasezzia species
Oral lichen planus looks like
White patches and plaques inside the mouth +/- redness, mucosal atrophy, ulcers
Tender red streaks from the area of a cutaneous wound heading in the direction of the drainage lymph node, swollen node
Lymphangitis
Treating lymphangitis
Cephalexin
Blisters in pemphigus vulgaris are
Painful and flaccid, easily rupturing
What demographic is usually affected by bullous pemphigoid?
Older than 60
Blisters in bullous pemphigoid
Pruritic, tense bullae
Oral aphthous ulcers can be a manifestation of what systemic disease
Crohns disease
Scabies treatment
Permethrin cream
Triamcinolone is a
Topical corticosteroid
Miconazole, terbinafine, tolnaftate are used for
Skin fungal infections like tinea pedis
