Derm Flashcards
‘Stuck on’ waxy appearance
Seborrheic keratosis
Red plaques with silvery-white scales and sharp margins
Psoriasis
Most common type of skin cancer; lesion is a pearly-coloured papule with a translucent surface and telangiectasias
Basal cell carcinoma
Honey crusted lesions
Impetigo
A febrile patient with a history of diabetes presents with a red, swollen, painful lower extremity
Cellulitis
+ Nikolsky sign
Pemphigus vulgaris
- Nikolsky sign
Bullous pemphigoid
55 year old obese patient with dirty, velvety patches on the back of the neck
Acanthosis nigricans
Check fasting blood glucose to rule out diabetes
Dermatomal distribution
Varicella zoster
Flat topped papules
Lichen planus
Iris-like target lesions
Erythema multiforme
A lesion occurring in a geometric pattern in areas where skin comes into contact with clothing or jewellery
Contact dermatitis
Presents with one large patch and many smaller ones in a treelike distribution
Pityriasis rosea
Flat, often hypopigmented lesions on the chest and back; KOH prep has a ‘spaghetti and meatballs’ appearance
Tinea (pityriasis) versicolor
5 characteristics of a naevus suggestive of melanoma
Asymmetry, border irregularity, colour variation, large diameter, changing appearance
A premalignant lesion from sun exposure that can lead to squamous cell carcinoma
Actinic keratosis
Crusting vesicles in all stages of evolution on entire body
Lesions of primary varicella
‘cradle cap’
Seborrheic dermatitis
Treat conservatively with bathing and moisturising agents
Associated with Propionibacterium acnes and changes in androgen levels, and the treatment of last resort
Acne vulgaris
Last resort treatment is oral isotretinoin (requires monthly blood tests)
Painful, recurrent vesicular eruption of mucocutaneous surfaces
Herpes simplex
Inflammation and epithelial thinning of the anogenital area, predominantly in postmenopausal women
Lichen sclerosis
Exophytic nodules with scaling or ulceration; the second most common type of skin cancer
Squamous cell carcinoma
