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Published byTerrell Carlile Modified over 10 years ago
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Morphology Dr. D. Czarnecki MD MBBS
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A macule - flat This was a melanoma
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Macular lesions (flat) A drug eruption due to ampicillin
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Papules - raised Psoriasis was the cause
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An inflamed papule A squamous cell carcinoma (SCC) was the cause
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Lichenoid papules Shiny lilac colour Lichen planus was the cause
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The Koebner phenomenon The Koebner phenomenon The rash has developed in a damaged area Lichen planus (LP) was the disease Lichen planus (LP) was the disease Scratching damaged the skin – new areas of LP developed
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The Koebner phenomenon The Koebner phenomenon Psoriasis was the underlying disease Psoriasis was the underlying disease
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The Koebner phenomenon The Koebner phenomenon Psoriasis developed in sun burned skin Psoriasis developed in sun burned skin
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A plaque – raised and thick Psoriasis was the cause
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A plaque Necrobiosis lioidica diabeticorum was the cause
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Vesicles – becoming pustular Chicken pox (varicella) was the cause
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Bullae – big blisters Bullous pemphigoid was the cause
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Folliculitis – pustules around hair follicles Waxing the legs was the cause
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Palms with pustules Pustular psoriasis
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Ecchymoses - bruising Thin skin due to too much sun was the cause
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Purpura Cryoglobulins were the cause
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Grouped vesicles, pustules and purpura Herpetiform (grape like) Herpes zoster (shingles) was the cause
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Grouped vesicles and pustules Herpetiform (grape like) Herpes simplex the cause
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A nodule arising in the eye lid A Merkell cell carcinoma was the cause
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A nodule (ulcerated) in the pre-auricular area A squamous cell carcinoma (SCC) was the cause
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Erosions on the thighs A drug eruption was the cause
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An ulcer in the scrotum Behcet’s disease was the cause
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Excoriations – scratch marks Due to a psychological disorder
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Asteatotic (dry cracked) skin Dermatitis (eczema) was the cause
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Xerosis – dry skin
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A verrucous (wart like) lesion A seborrhoeic keratosis was the cause
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Ichthyosis – looks like fish scale An inherited disease
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An annular (circular) lesion This was porokeratosis of Mibelli
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An annular (circular) lesion Sarcoid was the cause
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Dermographism (writing on the skin) It is a form of urticaria
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Telangiectasia (dilated blood vessels) Radiotherapy was the cause
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Depigmentation Vitiligo was the cause
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Hyperpigmentation Application of a cream containing hydroquinone was the cause
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Maceration Excessive sweating was the cause
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