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MorphologyMorphology
Dr. D. Czarnecki MD MBBSDr. D. Czarnecki MD MBBS
A macule - flatA macule - flat
This was a melanomaThis was a melanoma
Macular lesions (flat)Macular lesions (flat)
A drug eruption due to ampicillinA drug eruption due to ampicillin
Papules - raisedPapules - raised
Psoriasis was the causePsoriasis was the cause
An inflamed papule An inflamed papule
A squamous cell carcinoma (SCC) was the causeA squamous cell carcinoma (SCC) was the cause
Lichenoid papulesLichenoid papules
Shiny lilac colourShiny lilac colour
Lichen planus was the causeLichen planus was the cause
The Koebner phenomenonThe Koebner phenomenon
The rash has developed in a The rash has developed in a damaged areadamaged area
Lichen planus (LP) was the diseaseLichen planus (LP) was the disease
Scratching damaged the skin – new areas of LP developedScratching damaged the skin – new areas of LP developed
The Koebner phenomenonThe Koebner phenomenon
Psoriasis was the underlying diseasePsoriasis was the underlying disease
The Koebner phenomenonThe Koebner phenomenon
Psoriasis developed in sun burned skinPsoriasis developed in sun burned skin
A plaque – raised and thickA plaque – raised and thick
Psoriasis was the causePsoriasis was the cause
A plaqueA plaque
Necrobiosis lioidica diabeticorum was the causeNecrobiosis lioidica diabeticorum was the cause
Vesicles – becoming pustularVesicles – becoming pustular
Chicken pox (varicella) was the causeChicken pox (varicella) was the cause
Bullae – big blistersBullae – big blisters
Bullous pemphigoid was the causeBullous pemphigoid was the cause
Folliculitis – pustules Folliculitis – pustules around hair folliclesaround hair follicles
Waxing the legs was the causeWaxing the legs was the cause
Palms with pustulesPalms with pustules
Pustular psoriasisPustular psoriasis
Ecchymoses - bruisingEcchymoses - bruising
Thin skin due to too much sun was the causeThin skin due to too much sun was the cause
PurpuraPurpura
Cryoglobulins were the causeCryoglobulins were the cause
Grouped vesiclesGrouped vesicles, pustules and purpura, pustules and purpura
Herpetiform Herpetiform (grape like)(grape like)
Herpes zoster (shingles) was the causeHerpes zoster (shingles) was the cause
Grouped vesicles and pustulesGrouped vesicles and pustulesHerpetiform (grape like)Herpetiform (grape like)
Herpes simplex the causeHerpes simplex the cause
A nodule arising in the eye lidA nodule arising in the eye lid
A Merkell cell carcinoma was the causeA Merkell cell carcinoma was the cause
A nodule (ulcerated) in the pre-auricular areaA nodule (ulcerated) in the pre-auricular area
A squamous cell carcinoma (SCC) was the causeA squamous cell carcinoma (SCC) was the cause
Erosions on the thighsErosions on the thighs
A drug eruption was the causeA drug eruption was the cause
An ulcer in the scrotumAn ulcer in the scrotum
Behcet’s disease was the causeBehcet’s disease was the cause
Excoriations – scratch marksExcoriations – scratch marks
Due to a psychological disorderDue to a psychological disorder
Asteatotic (dry cracked) skinAsteatotic (dry cracked) skin
Dermatitis (eczema) was the causeDermatitis (eczema) was the cause
Xerosis – dry skinXerosis – dry skin
A verrucous (wart like) lesionA verrucous (wart like) lesion
A seborrhoeic keratosis was the causeA seborrhoeic keratosis was the cause
Ichthyosis – looks like fish scaleIchthyosis – looks like fish scale
An inherited diseaseAn inherited disease
An annular (circular) lesionAn annular (circular) lesion
This was porokeratosis of MibelliThis was porokeratosis of Mibelli
An annular (circular) lesionAn annular (circular) lesion
Sarcoid was the causeSarcoid was the cause
Dermographism (writing on the skin)Dermographism (writing on the skin)
It is a form of urticariaIt is a form of urticaria
Telangiectasia (dilated blood vessels)Telangiectasia (dilated blood vessels)
Radiotherapy was the causeRadiotherapy was the cause
DepigmentationDepigmentation
Vitiligo was the causeVitiligo was the cause
HyperpigmentationHyperpigmentation
Application of a cream containing Application of a cream containing hydroquinone was the causehydroquinone was the cause
MacerationMaceration
Excessive sweating was the causeExcessive sweating was the cause