Common Skin Diseases Dr M Feldman
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Acne
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Psoriasis
Psoriasis
Psoriasis
Flexural psoriasis
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Pityriasis Rosea
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Pityriasis versicolor Pityrosporum orbiculare (Malassezia furfur).
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Eczema
Eczema Atopic Atopic Irritant Contact dermatitis eg ring Irritant Contact dermatitis eg ring Varicose Varicose Numnular Numnular
Nickel Nickel dermatitis – a type of allergic contact dermatitis Nickel dermatitis – a type of allergic contact dermatitis Allergic contact – patch test Allergic contact – patch test Type 4 sensitivity Type 4 sensitivity 72 hours 72 hours
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Urticaria - dermatographism Type 1 – prick tests immediate Type 1 – prick tests immediate
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Solar keratosis Skin Cancers Skin Cancers Solar Keratoses Solar Keratoses PremalignantPremalignant Sun exposed areasSun exposed areas Non pigmentedNon pigmented RougheningRoughening Seek Help Seek Help Treatment – liquid nitrogen Treatment – liquid nitrogen
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BCC Basal Cell carcinoma (rodent ulcer) Basal Cell carcinoma (rodent ulcer) CommonCommon Sun exposed areasSun exposed areas Whipcord edgeWhipcord edge Central ulcerationCentral ulceration Locally invasive onlyLocally invasive only Slow growingSlow growing Danger near eyeDanger near eye Treatment - excision Treatment - excision
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Squamous cell carcinoma Squamous Cell carcinoma Less commonLess common Poorly defined edgePoorly defined edge Persistent scaly patchPersistent scaly patch Not usually pigmentedNot usually pigmented Sun exposed areasSun exposed areas May be a nodularMay be a nodular May metastasiseMay metastasise Treatment-excision Treatment-excision
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Melanoma Melanoma – incidence increasing Melanoma – incidence increasing Family History Family History Fair skin Fair skin Legs in women Legs in women Back in men Back in men History of burning ( cf blistering ) History of burning ( cf blistering )
Melanoma Melanoma Melanoma Asymmetry Asymmetry Varied Pigment Varied Pigment Change in shape or colour or size Change in shape or colour or size Bleeding, Itching Bleeding, Itching Satellite lesions Satellite lesions
Melanoma Melanoma Melanoma Can spread easily Can spread easily Early excision can cure Early excision can cure Prognosis related to depth Prognosis related to depth
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Lichen Planus
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Lichen Simplex
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Dermatitis Herpetiformis
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Pemphigoid
Pemphigus
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Acne Rosacea
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SLE
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Herpes simplex
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Herpes Zoster
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Impetigo
Measles
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Rubella
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ChickenPox
Alopecia areata
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Vitiligo
Pityriasis Alba
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Thrush
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Granuloma annulare
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Ringworm
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Necrobiosis lipoidica
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Erythema nodosum
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Keratocanthoma
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Pyogenic granuloma
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Erythema multiform