Acne Vulgaris

Introduction Acne vulgaris (often shortened to “Acne”) disorder of the Pilosebaceous Follicles Incredibly common Almost universal in the second decade of life Also affects adults Associated with psychological problems, including depression, anxiety and social...

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Bullous Pemphigoid

Aetiology Elderly (>65yrs) Vaccinations (in children with  condition affecting face, palms and soles)  NSAIDs, furosemide, antibiotics UV radiation / x-rays   Pathophysiology Autoimmune, subepidermal blistering due to IgG  autoantibodies for the basement membrane proteins...

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Bullous Pemphigus

Aetiology  Middle aged (40-60yrs)  High prevalence in Jewish regions  Lifelong condition   Pathophysiology Autoimmune, epidermal blistering due to IgG  autoantibodies for keratinocyte surfaces (desmoglein) Often mucosal involvement (>90%) Potentially life threatening (rare) if it...

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Burns

Assessing burn depth Superficial ‚Äď epidermis (erythema) only. Can be differentiated from partial thickness by rubbing the skin. If the epidermis moves around, sliding over the deeper layers, this is a partial thickness burn...

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Cellulitis

Introduction Cellulitis is caused by bacterial infection of the dermis layer of the skin and the deeper subcutaneous tissues. Often the infection is due to a break or puncture to the skin which allows...

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Defining Skin Lesions

Introduction Describing and defining skin lesions is a complicated business, and something that most doctors are not very good at! There are a wide variety of terms used to describe skin lesions. In the...

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Dermatitis Herpetiformis

Introduction Dermatitis herpetiformis is a rare skin disorder associated with coeliac disease. The name herpetiformis refers to the fact that the rash often resembles the rash caused by herpes zoster (shingles and chickenpox). Aetiology  Adulthood (20-40)...

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Eczema (Atopic dermatitis)

Introduction Atopic eczema (aka atopic dermatitis) is a common, chronic, inflammatory skin condition that presents as a poorly demarcated, itchy red rash. It typically affects the skin folds, especially in the elbows and behind...

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Erythema Multiforme

Introduction Erythema multiforme is a hypersensitivity reaction, causing a character in skin rash. It is typically the result of an infection – usually from herpes simplex virus, and sometimes from mycoplasma pneumoniae. It usually...

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Henoch Schonlein Purpura (HSP)

Introduction Henoch-Schonlein Purpura (HSP) is a vasculitis that most commonly occurs in children. It is the most common vasculitis of childhood, and typically present in children aged between 2-8. in 50% of cases there...

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