Read more about the article Hair Disorders
Alopecia Areata. This file is taken from wikimedia commons and is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license.

Hair Disorders

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Physiology of hair growth Hair on the scalp Grows in small clusters of 3-4 hairs per follicle unit Hair growth Hair follicles go through three growth phases Anagen ‚Äď the…

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Impetigo

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Introduction Impetigo is an infectious skin condition, usually caused by the bacteria¬†Staphylococcus Aureus,¬†and less commonly by¬†Streptococcus¬†pyogenes.¬† It is highly infectious, and outbreaks often occurs in schools and within families. It…

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Lichen sclerosus

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Introduction Lichen sclerosus (LS) is a relatively common chronic, autoimmune skin disorder involving the anogenital region, particularly in women. In men, it was previously referred to balanitis xerotica obliterans (BXO),…

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Pityriasis Rosea

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Introduction Pityriasis rosea is a common presentation to general practice. Pityriasis - causes a fine flake or flake Rosea -¬†pink coloured It is a widespread rash caused by a viral…

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Read more about the article Pityriasis Veriscolor
Pityriasis versicolor - note the white circular affected patches of skin. Image from Dermnet. Used in accordance with Creative Commons Attribution-NonCommercial-NoDerivs 3.0 (New Zealand) license.

Pityriasis Veriscolor

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Introduction Pityriasis veriscolor is a type of fungal skin infection. It is typically very superficial, and is caused by the Malassezia¬†group of fungus.¬†It is often asymptomatic, except for a flaky…

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Read more about the article Psoriasis
Example of widespread psoriasis on a patient's back

Psoriasis

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Introduction Psoriasis is a a common chronic inflammatory skin condition, characterised by raised, red, itchy, scaly plaques on the skin. With treatment, it often follows a relapsing and remitting course,…

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Rashes of Childhood

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Type of Rash Appearance Associated Conditions Maculopapular Macules ‚Äď flat erythematous areas of skin Papules ‚Äď raised erythematous areas of skin Both will blanch under pressure Measles Rubella (only macules)…

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Rosacea

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Introduction Rosacea is a common facial rash, of unknown aetiology. It is typically chronic and persistent. It causes sterile inflammatory papules, pustule and nodes and it may sometimes be mistaken…

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Read more about the article Scabies
Scabies mite - sarcotopes scabei

Scabies

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Introduction Scabies (aka ‚ÄúThe Itch‚ÄĚ) is a common parasitic skin disorder caused by the arachnid (mite) sarcotopes scabei.¬†It is a very common disorder, and its morbidity is probably underrated. It…

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