Dermatology Flashcards
28 year old woman develops painful, purple lesions on her shins. It resolves within 6 weeks and the lesions heal without scarring.
Erythema nodosum
Holiday in Spain + multiple patches of depigmentation + mildly flaky and itchy
Pityriasis versicolor
State the treatments for moderate to severe acne
Topical adapalene with topical benzoyl peroxide
Topical tretinoin with topical clindamycin
Topical adapalene with topical benzoyl peroxide + either oral lymecycline or oral doxycycline
Topical azelaic acid + either oral lymecycline or oral doxycycline.
Pregnant + itchy rash around the umbilicus + blistering lesion in her peri-umbilical region and on arms.
Pemphigoid gestationis.
Treatment for vitiligo
Sunblock
Topical corticosteroids may reverse the changes if early.
Photosensitive rash with blistering and skin fragility on the face and dorsal aspect of hands +
Hypertrichosis + Hyperpigmentation
Porphyria cutaneous tarda
Oral mucosal ulceration in Ashkenazi Jewish population + skin blistering with easily ruptured vesicles and bullae + acantholysis on biopsy.
Pemphigus vulgaris
Name the factors that may exacerbate psoriasis
Trauma
Alcohol
Drugs: beta blockers, lithium, antimalarials ( chloroquine and hydroxychloroquine ), NSAIDs and ACE inhibitors, infliximab
Withdrawal of systemic steroids
Vitiligo is associated with which conditions?
Type 1 DM
Addison’s disease
Autoimmune thyroid disorders
Pernicious anemia
Alopecia areata
Medical conditions associated with seborrhoeic dermatitis include:
Psoriasis
HIV
Acne
Rosacea
Parkinson’s disease
Epilepsy
Alcoholism
Depression
Eating disorders
Recovery from a stroke or heart attack.
Name some common causes of exfoliative dermatitis
Psoriasis
Drug reactions
Atopic dermatitis
Cutaneous T-cell lyphoma
What is Crowe’s sign?
The presence of axillary and intertriginous area freckling commonly seen in people with neurofibromatosis type I
Name the most common cutaneous malignancy
Basal cell carcinoma
