Presentations Flashcards
‘Honey coloured golden crust’
Well defined lesions
Erythematous base
Typically seen on face
Impetigo
Generalised swelling
Macular hot erythema
Ill defined margins, often spread
Fever, rigors
Nausea
Cellulitis
Well demarcated
Spreads
Erythematous plaque
Typically on face
Fever
Systemic upset
Ersipelas
Fevers, chills, altered mental status
Diffuse erythema
Disproportionate pain
Crepitus
Purple skin discolouration
Necrotising fasciitis
Flat-topped violaceous papules
Itchy
Flexor surfaces of wrist / forearm, ankles, legs
Oral lesions - lacy white in cheek
Lichen planus
Symmetrical distribution
Red scaly plaques
Well defined edges
Scalp, elbows, knees
Itching
Nail changes
Psoriasis
Papulovesicular erythematous lesions
Itchy
Ill-defined
Oedema
Ooze / scaling / crusting
Acute eczema
Skin thickening
Elevated plaques
Increased scaling
Excoriation from scratching
Chronic eczema
Recurrent facial flushing
Erythema with papules / pustules on nose, chin, cheeks, forehead
Rosacea
Non-inflammatory lesions - comodones (black/whiteheads)
Inflammatory lesions - papules, pustules, cysts, nodules etc
Atrophic scars
Skin hyperpigmentation
Acne
Intensely itchy symmetrical lesions
Erythematous swollen base
Itch may precede blisters
Elbows, knees, buttocks
Dermatitis herpetiformis
Fluid filled, painful, fragile blisters
Scalp, face, axillae, groin, trunk
Blisters rupture, shallow erosions
Pemphigus vulgaris
Pruritis
Well-demarcated
Erythematous plaques
Large, tense, itchy blisters
Bullous pemphigoid
Very well demarcated
Raised brown coloured lesion
Face and trunk
‘Stuck on’ appearance
Greasy hyperkeratotic surface
Warty / depressions/ small cysts
Seborrhoeic keratosis
Unchanging firm lesion
Skin coloured / brownish
Occasionally itchy
Dermatofibroma
Irregular pigmentation
Change in shape / size
Bleeding
Ulceration
Not asymmetric
Malignant melanoma
Warty / hyperkeratotic lump / ulcer
Usually elderly patients
Arise on sin damaged skin
Fast growth
Pain, bleeding
Squamous cell carcinoma
Slow growing
Shiny pearly nodule
Superficial telangiectasia
May be ulcerated - ‘rodent ulcer’
Common on face
Nodular basal cell carcinoma
Erythematous
Well-demarcated
Scaly plaques
Raised ‘ whipcord’ margin
Slow growing
Superficial basal cell carcinoma
Thickened yellowish plaques
Can infiltrate tissues widely
Poorly defined margins
Infiltrative basal cell carcinoma
Brown / blue / greyish lesions
Nodular or superficial histology
More common on dark skin tones
May resemble malignant melanoma
Pigmented basal cell carcinoma
Scaly
Erythematous papules / patches
Feel gritty and rough
Occur on sun damaged skin
Actinic keratoses
Slow growing
Well-demarcated
Scaly red patch / plaque
Irregular border
Non-cancerous
Bowen’s disease
Red papule with central crater
Crusty keratinous plug
Occur in sun-exposed skin
Often 2-3 cm in diameter
Keratoacanthoma
