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